**Money**FreeMoney is a current medium of exchange in the form of coins and banknotes. Read more...iWorksheets: 6Study Guides: 1Vocabulary Sets: 1### STEM.M. MATHEMATICS: National Council of Teachers of Mathematics (NCTM)

#### NCTM.1. Number and Operations

##### 1.1. Understand numbers, ways of representing numbers, relationships among numbers, and number systems.

###### 1.1.1. Count with understanding and recognize ''how many'' in sets of objects.

**Sequencing**Sequencing is when when you count, numbers go in a specific order. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Odd and Even**All numbers are either odd or even. When a number is even, it can be split into two sets without any leftovers. When you split a number into two sets and there is one left over, that means the number is odd. Read more...iWorksheets :4Study Guides :1**Skip Counting**You can skip count by large numbers such as 25, 50 or 100. Skip counting
allows you to count by large numbers following a pattern. Read more...iWorksheets :3Study Guides :1**Counting to 999**When you count, you start with the number 1 and stop counting after you
count the last object you happen to be counting. Read more...iWorksheets :3Study Guides :1**Odd and Even**What are Odd and Even Numbers? ODD numbers are numbers that CAN NOT be equally divided in half, by 2. Read more...iWorksheets :5Study Guides :1**Skip Counting**Skip counting is when you SKIP a number or numbers when counting. Counting by 2s, 3s, 4s, 5, and 10s. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1**Skip Counting**What is Skip Counting? Skip counting means you do not say every number as you count. You only count special numbers. There are many different ways to skip count. E.g. when counting by twos, you only say every second number: 2 4 6 8 10. Read more...iWorksheets :3Study Guides :1###### 1.1.2. Use multiple models to develop initial understandings of place value and the base-ten number system.

**Estimation**When you make an estimate, you are making a guess that is approximate.
This is often done by rounding. Read more...iWorksheets :6Study Guides :1**Ordering and Comparing Numbers**When you order numbers, you are putting the numbers in a sequence from the smallest value to the largest value. When you compare two numbers, you are finding which number is larger or smaller than the other. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Place Value**What is Place Value? Place value is the AMOUNT that each digit is worth in a number. A number can have MANY place values. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Rounding to Nearest 10**Rounding makes numbers easier to work with if you do not need an exact number. Rounded numbers are only approximate. You can use rounded numbers to get an answer that is close but does not have to be exact. Read more...iWorksheets :3Study Guides :1**Place Value**What is place value? Place value is the amount that each digit is worth in a numeral. There are many different place values. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Greater Than/Less Than**What Is Greater Than and Less Than? When a number is greater than another number, this means it is a larger number. The symbol for greater than is >. When a number is less than another number, this means it is a smaller number. The symbol for less than is <. Read more...iWorksheets :6Study Guides :1**Expanding Numbers**What Are Expanding Numbers? An expanding number is taking a larger number apart and showing each number’s total value. Number 5398 in expanded form is 5000 + 300 + 90 + 8. Read more...iWorksheets :3Study Guides :1**Place Value**Place value is what each digit is worth. In the number 4,573 there are four thousands, five hundreds, seven tens, and three ones. How to Find the Place Value: In order to find the place value of a number, you can count the number of places from the right. The first number will be the ones place. The next number moving towards the left would be the tens place, and so on. Read more...iWorksheets :10Study Guides :1###### 1.1.3. Develop understanding of the relative position and magnitude of whole numbers and of ordinal and cardinal numbers and their connections.

**Sequencing**Sequencing is when when you count, numbers go in a specific order. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Ordinals**An ordinal is an object’s position in the order of a group. An ordinal tells whether an object is first or fifth. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Ordering and Comparing Numbers**When you order numbers, you are putting the numbers in a sequence from the smallest value to the largest value. When you compare two numbers, you are finding which number is larger or smaller than the other. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Counting to 999**When you count, you start with the number 1 and stop counting after you
count the last object you happen to be counting. Read more...iWorksheets :3Study Guides :1**Ordinals**Ordinal numbers are numbers that are used to tell what order something is in. Read more...iWorksheets :4Study Guides :1Vocabulary :2**Comparing Numbers**When comparing two numbers, you figure out if one number is GREATER or LESS THAN the other number. You can use SIGNS to show if a number is greater than, less than, or equal to another number. Read more...iWorksheets :4Study Guides :1Vocabulary :2**Greater Than, Less Than**When a number is greater than another number, it means that is is larger. > is the greater than symbol. < is the less than symbol. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Greater Than/Less Than**What Is Greater Than and Less Than? When a number is greater than another number, this means it is a larger number. The symbol for greater than is >. When a number is less than another number, this means it is a smaller number. The symbol for less than is <. Read more...iWorksheets :6Study Guides :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1**Relative Position**Relative position describes where objects are positioned in relationship to other nearby objects. This can be a point defined with reference to another position, either fixed or moving. Read more...iWorksheets :8###### 1.1.4. Develop a sense of whole numbers and represent and use them in flexible ways, including relating, composing, and decomposing numbers.

**Estimation**When you make an estimate, you are making a guess that is approximate.
This is often done by rounding. Read more...iWorksheets :6Study Guides :1**Sequencing**Sequencing is when when you count, numbers go in a specific order. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Odd and Even**All numbers are either odd or even. When a number is even, it can be split into two sets without any leftovers. When you split a number into two sets and there is one left over, that means the number is odd. Read more...iWorksheets :4Study Guides :1**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**3 Digit Addition**FreeAdding large numbers involves breaking the problem down into smaller addition facts. Read more...iWorksheets :4Study Guides :1**3 Digit Subtraction**What Is Three-Digit Subtraction? We subtract to compare numbers. We are able to find the difference between numbers through subtraction. We use subtraction to find out how much more we have or how much smaller something is in comparison to another number. Read more...iWorksheets :3Study Guides :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction is not Commutative**Commutative means you can switch around the numbers you are using without changing the result. Addition is commutative. Subtraction, however, is not commutative. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**The commutative property of addition says that we can add numbers
in any order and get the same sum. Read more...iWorksheets :3Study Guides :1**Skip Counting**You can skip count by large numbers such as 25, 50 or 100. Skip counting
allows you to count by large numbers following a pattern. Read more...iWorksheets :3Study Guides :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Ordering and Comparing Numbers**When you order numbers, you are putting the numbers in a sequence from the smallest value to the largest value. When you compare two numbers, you are finding which number is larger or smaller than the other. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Counting to 999**When you count, you start with the number 1 and stop counting after you
count the last object you happen to be counting. Read more...iWorksheets :3Study Guides :1**Odd and Even**What are Odd and Even Numbers? ODD numbers are numbers that CAN NOT be equally divided in half, by 2. Read more...iWorksheets :5Study Guides :1**Skip Counting**Skip counting is when you SKIP a number or numbers when counting. Counting by 2s, 3s, 4s, 5, and 10s. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Place Value**What is Place Value? Place value is the AMOUNT that each digit is worth in a number. A number can have MANY place values. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**Rounding to Nearest 10**Rounding makes numbers easier to work with if you do not need an exact number. Rounded numbers are only approximate. You can use rounded numbers to get an answer that is close but does not have to be exact. Read more...iWorksheets :3Study Guides :1**Place Value**What is place value? Place value is the amount that each digit is worth in a numeral. There are many different place values. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Double Digit Subtraction**What Is Double Digit Subtraction? Double digit subtraction is taking a number with two digits (ex. 23) and subtracting it from another two digit number (ex. 33). The answer is known as the difference. Read more...iWorksheets :4Study Guides :1**Double Digit Addition**What Is Double Digit Addition? Double digit addition is taking a two digit number (ex. 32) and adding it to another two digit number (ex. 27). The answer of these two addends is known as the sum. Read more...iWorksheets :4Study Guides :1**Regrouping**What Is Regrouping? Regrouping in addition is used when the sum of the ones place is larger than nine. The tens place of the sum is moved to the top of the tens place column to be added with the others. Read more...iWorksheets :3Study Guides :1**Associative Property**Associative Property of Addition explains that when three or more numbers are added, the sum is the same regardless of the order in which the numbers are grouped and/or added. Read more...iWorksheets :3Study Guides :1**Odd/Even Numbers**What is odd number? An odd number is a number that will have a leftover when divided into two equal groups. What is even number? An even number is a number that can be divided into two equal groups without any leftovers. Read more...iWorksheets :6Study Guides :1**Open Number Sentences**What Are Open Number Sentences? Open number sentences are equations that give one part of the equation along with the answer. In order to solve an open number
sentence, the inverse operation is used. Read more...iWorksheets :3Study Guides :1**Multiplication**Multiplication is similar to adding a number to itself a certain number of times.
When multiplying an odd number with an odd number, the product is always an odd number. When multiplying an odd number with an even number or two even numbers, the product is always an even number. Read more...iWorksheets :19Study Guides :1**Greater Than/Less Than**What Is Greater Than and Less Than? When a number is greater than another number, this means it is a larger number. The symbol for greater than is >. When a number is less than another number, this means it is a smaller number. The symbol for less than is <. Read more...iWorksheets :6Study Guides :1**Expanding Numbers**What Are Expanding Numbers? An expanding number is taking a larger number apart and showing each number’s total value. Number 5398 in expanded form is 5000 + 300 + 90 + 8. Read more...iWorksheets :3Study Guides :1**Word Problems**What Are Story Problems? Story problems are a bunch of sentences set up to give you
information in order to solve a problem. Story problems most often give you all the information needed to solve the problem. They may even include information you do not need at all. Read more...iWorksheets :8Study Guides :1**Place Value**Place value is what each digit is worth. In the number 4,573 there are four thousands, five hundreds, seven tens, and three ones. How to Find the Place Value: In order to find the place value of a number, you can count the number of places from the right. The first number will be the ones place. The next number moving towards the left would be the tens place, and so on. Read more...iWorksheets :10Study Guides :1**Division**What Is Division? Division is an operation that tells: how many equal sized groups, how many in each group. The number you divide by is called the DIVISOR. The number you are dividing is called the DIVIDEND. And the answer is called the QUOTIENT. Read more...iWorksheets :6Study Guides :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1**One Less, One More**What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets :3Study Guides :1**Skip Counting**What is Skip Counting? Skip counting means you do not say every number as you count. You only count special numbers. There are many different ways to skip count. E.g. when counting by twos, you only say every second number: 2 4 6 8 10. Read more...iWorksheets :3Study Guides :1###### 1.1.5. Connect number words and numerals to the quantities they represent, using various physical models and representations.

**Estimation**When you make an estimate, you are making a guess that is approximate.
This is often done by rounding. Read more...iWorksheets :6Study Guides :1**Sequencing**Sequencing is when when you count, numbers go in a specific order. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Odd and Even**All numbers are either odd or even. When a number is even, it can be split into two sets without any leftovers. When you split a number into two sets and there is one left over, that means the number is odd. Read more...iWorksheets :4Study Guides :1**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**3 Digit Addition**FreeAdding large numbers involves breaking the problem down into smaller addition facts. Read more...iWorksheets :4Study Guides :1**3 Digit Subtraction**What Is Three-Digit Subtraction? We subtract to compare numbers. We are able to find the difference between numbers through subtraction. We use subtraction to find out how much more we have or how much smaller something is in comparison to another number. Read more...iWorksheets :3Study Guides :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction is not Commutative**Commutative means you can switch around the numbers you are using without changing the result. Addition is commutative. Subtraction, however, is not commutative. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**The commutative property of addition says that we can add numbers
in any order and get the same sum. Read more...iWorksheets :3Study Guides :1**Skip Counting**You can skip count by large numbers such as 25, 50 or 100. Skip counting
allows you to count by large numbers following a pattern. Read more...iWorksheets :3Study Guides :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Ordering and Comparing Numbers**When you order numbers, you are putting the numbers in a sequence from the smallest value to the largest value. When you compare two numbers, you are finding which number is larger or smaller than the other. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Counting to 999**When you count, you start with the number 1 and stop counting after you
count the last object you happen to be counting. Read more...iWorksheets :3Study Guides :1**Odd and Even**What are Odd and Even Numbers? ODD numbers are numbers that CAN NOT be equally divided in half, by 2. Read more...iWorksheets :5Study Guides :1**Skip Counting**Skip counting is when you SKIP a number or numbers when counting. Counting by 2s, 3s, 4s, 5, and 10s. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Place Value**What is Place Value? Place value is the AMOUNT that each digit is worth in a number. A number can have MANY place values. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Comparing Numbers**When comparing two numbers, you figure out if one number is GREATER or LESS THAN the other number. You can use SIGNS to show if a number is greater than, less than, or equal to another number. Read more...iWorksheets :4Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**Rounding to Nearest 10**Rounding makes numbers easier to work with if you do not need an exact number. Rounded numbers are only approximate. You can use rounded numbers to get an answer that is close but does not have to be exact. Read more...iWorksheets :3Study Guides :1**Place Value**What is place value? Place value is the amount that each digit is worth in a numeral. There are many different place values. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Double Digit Subtraction**What Is Double Digit Subtraction? Double digit subtraction is taking a number with two digits (ex. 23) and subtracting it from another two digit number (ex. 33). The answer is known as the difference. Read more...iWorksheets :4Study Guides :1**Double Digit Addition**What Is Double Digit Addition? Double digit addition is taking a two digit number (ex. 32) and adding it to another two digit number (ex. 27). The answer of these two addends is known as the sum. Read more...iWorksheets :4Study Guides :1**Regrouping**What Is Regrouping? Regrouping in addition is used when the sum of the ones place is larger than nine. The tens place of the sum is moved to the top of the tens place column to be added with the others. Read more...iWorksheets :3Study Guides :1**Associative Property**Associative Property of Addition explains that when three or more numbers are added, the sum is the same regardless of the order in which the numbers are grouped and/or added. Read more...iWorksheets :3Study Guides :1**Odd/Even Numbers**What is odd number? An odd number is a number that will have a leftover when divided into two equal groups. What is even number? An even number is a number that can be divided into two equal groups without any leftovers. Read more...iWorksheets :6Study Guides :1**Open Number Sentences**What Are Open Number Sentences? Open number sentences are equations that give one part of the equation along with the answer. In order to solve an open number
sentence, the inverse operation is used. Read more...iWorksheets :3Study Guides :1**Multiplication**Multiplication is similar to adding a number to itself a certain number of times.
When multiplying an odd number with an odd number, the product is always an odd number. When multiplying an odd number with an even number or two even numbers, the product is always an even number. Read more...iWorksheets :19Study Guides :1**Greater Than/Less Than**What Is Greater Than and Less Than? When a number is greater than another number, this means it is a larger number. The symbol for greater than is >. When a number is less than another number, this means it is a smaller number. The symbol for less than is <. Read more...iWorksheets :6Study Guides :1**Expanding Numbers**What Are Expanding Numbers? An expanding number is taking a larger number apart and showing each number’s total value. Number 5398 in expanded form is 5000 + 300 + 90 + 8. Read more...iWorksheets :3Study Guides :1**Word Problems**What Are Story Problems? Story problems are a bunch of sentences set up to give you
information in order to solve a problem. Story problems most often give you all the information needed to solve the problem. They may even include information you do not need at all. Read more...iWorksheets :8Study Guides :1**Place Value**Place value is what each digit is worth. In the number 4,573 there are four thousands, five hundreds, seven tens, and three ones. How to Find the Place Value: In order to find the place value of a number, you can count the number of places from the right. The first number will be the ones place. The next number moving towards the left would be the tens place, and so on. Read more...iWorksheets :10Study Guides :1**Division**What Is Division? Division is an operation that tells: how many equal sized groups, how many in each group. The number you divide by is called the DIVISOR. The number you are dividing is called the DIVIDEND. And the answer is called the QUOTIENT. Read more...iWorksheets :6Study Guides :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1**One Less, One More**What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets :3Study Guides :1**Skip Counting**What is Skip Counting? Skip counting means you do not say every number as you count. You only count special numbers. There are many different ways to skip count. E.g. when counting by twos, you only say every second number: 2 4 6 8 10. Read more...iWorksheets :3Study Guides :1###### 1.1.6. Understand and represent commonly used fractions, such as 1/4, 1/3, and 1/2.

**Fractions Greater Than or Less Than 1/2**Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Fractions**Fractions can show a part of a group or part of a set. Read more...iWorksheets :6Study Guides :1**Fractions**What are fractions? When an object is broken into a number of parts, these parts must all be the same size. These equal parts can be counted to become a fraction of that object. Read more...iWorksheets :8Study Guides :1Vocabulary :2**Comparing Fractions**When comparing fractions, you are finding which fraction is greater and which fractions is less than the other. Similar to comparing numbers, there are symbols to use when comparing fractions. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Fractions**A fraction is a part of a whole. Fractions for 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1/10, and 1/12 Read more...iWorksheets :7Study Guides :1Vocabulary :2**Equivalent Fractions to 1/2**Fractions that are equivalent to ½ are fractions that have different denominators than ½, but still show half. Fractions that are equivalent to ½ can be simplified to ½. Fractions equivalent to ½ have an even number as their denominator. Read more...iWorksheets :3Study Guides :1##### 1.2. Understand meanings of operations and how they relate to one another.

###### 1.2.1. Understand various meanings of addition and subtraction of whole numbers and the relationship between the two operations.

**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2###### 1.2.2. Understand the effects of adding and subtracting whole numbers.

**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2###### 1.2.3. Understand situations that entail multiplication and division, such as equal groupings of objects and sharing equally.

**Multiplication**Multiplication is similar to adding a number to itself a certain number of times.
When multiplying an odd number with an odd number, the product is always an odd number. When multiplying an odd number with an even number or two even numbers, the product is always an even number. Read more...iWorksheets :19Study Guides :1**Division**What Is Division? Division is an operation that tells: how many equal sized groups, how many in each group. The number you divide by is called the DIVISOR. The number you are dividing is called the DIVIDEND. And the answer is called the QUOTIENT. Read more...iWorksheets :6Study Guides :1##### 1.3. Compute fluently and make reasonable estimates.

###### 1.3.1. Develop and use strategies for whole-number computations, with a focus on addition and subtraction.

**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**3 Digit Addition**FreeAdding large numbers involves breaking the problem down into smaller addition facts. Read more...iWorksheets :4Study Guides :1**3 Digit Subtraction**What Is Three-Digit Subtraction? We subtract to compare numbers. We are able to find the difference between numbers through subtraction. We use subtraction to find out how much more we have or how much smaller something is in comparison to another number. Read more...iWorksheets :3Study Guides :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**The commutative property of addition says that we can add numbers
in any order and get the same sum. Read more...iWorksheets :3Study Guides :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**Double Digit Subtraction**What Is Double Digit Subtraction? Double digit subtraction is taking a number with two digits (ex. 23) and subtracting it from another two digit number (ex. 33). The answer is known as the difference. Read more...iWorksheets :4Study Guides :1**Double Digit Addition**What Is Double Digit Addition? Double digit addition is taking a two digit number (ex. 32) and adding it to another two digit number (ex. 27). The answer of these two addends is known as the sum. Read more...iWorksheets :4Study Guides :1**Regrouping**What Is Regrouping? Regrouping in addition is used when the sum of the ones place is larger than nine. The tens place of the sum is moved to the top of the tens place column to be added with the others. Read more...iWorksheets :3Study Guides :1**Associative Property**Associative Property of Addition explains that when three or more numbers are added, the sum is the same regardless of the order in which the numbers are grouped and/or added. Read more...iWorksheets :3Study Guides :1**Word Problems**What Are Story Problems? Story problems are a bunch of sentences set up to give you
information in order to solve a problem. Story problems most often give you all the information needed to solve the problem. They may even include information you do not need at all. Read more...iWorksheets :8Study Guides :1**One Less, One More**What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets :3Study Guides :1###### 1.3.2. Develop fluency with basic number combinations for addition and subtraction.

**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction is not Commutative**Commutative means you can switch around the numbers you are using without changing the result. Addition is commutative. Subtraction, however, is not commutative. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**One Less, One More**What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets :3Study Guides :1###### 1.3.3. Use a variety of methods and tools to compute, including objects, mental computation, estimation, paper and pencil, and calculators.

**Estimation**When you make an estimate, you are making a guess that is approximate.
This is often done by rounding. Read more...iWorksheets :6Study Guides :1#### NCTM.2. Algebra

##### 2.1. Understand patterns, relations, and functions.

###### 2.1.1. Sort, classify, and order objects by size, number, and other properties.

**Shapes**We are surrounded by many different kinds of shapes every day. Many shapes are flat. These shapes are two-dimensional plane figures. Read more...iWorksheets :10Study Guides :1**Shapes**FreeA shape is the form something takes. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Solids and Faces**You can use solid shapes to help describe real-world objects.
These shapes have surfaces called faces. Read more...iWorksheets :5Study Guides :1**Attributes**FreeAn attribute describes an object.
<br>You use attributes to describe two objects when they are not the same.
<br>An attribute can tell you if an object is shorter, taller, longer or smaller than another object. Read more...iWorksheets :18Study Guides :1Vocabulary :3**Congruent Shapes**FreeCongruent shapes are shapes that are the exact same shape and size. Congruent shapes can be rotated or reflected. When 2 shapes are congruent, they have the exact same size and shape. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Solids**What are solid figures? Solid figures are 3-dimensional figures that have length, width, and height. Solid figures have faces on them. A face is a FLAT surface on a solid figure and can be different shapes. Read more...iWorksheets :7Study Guides :1###### 2.1.2. Recognize, describe, and extend patterns such as sequences of sounds and shapes or simple numeric patterns and translate from one representation to another.

**Patterns**A pattern is an order of things repeated over and over. Read more...iWorksheets :6Study Guides :1**Patterns**FreeWhat are Patterns? Patterns are all around us. We can see them in nature, clothing, words, and even floor tiles. Read more...iWorksheets :17Study Guides :1Vocabulary :1###### 2.1.3. Analyze how both repeating and growing patterns are generated.

**Patterns**A pattern is an order of things repeated over and over. Read more...iWorksheets :6Study Guides :1**Patterns**FreeWhat are Patterns? Patterns are all around us. We can see them in nature, clothing, words, and even floor tiles. Read more...iWorksheets :17Study Guides :1Vocabulary :1##### 2.2. Represent and analyze mathematical situations and structures using algebraic symbols.

###### 2.2.1. Illustrate general principles and properties of operations, such as commutativity, using specific numbers.

**Commutative Property**The commutative property of addition says that we can add numbers
in any order and get the same sum. Read more...iWorksheets :3Study Guides :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Associative Property**Associative Property of Addition explains that when three or more numbers are added, the sum is the same regardless of the order in which the numbers are grouped and/or added. Read more...iWorksheets :3Study Guides :1###### 2.2.2. Use concrete, pictorial, and verbal representations to develop an understanding of invented and conventional symbolic notations.

**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**Division**What Is Division? Division is an operation that tells: how many equal sized groups, how many in each group. The number you divide by is called the DIVISOR. The number you are dividing is called the DIVIDEND. And the answer is called the QUOTIENT. Read more...iWorksheets :6Study Guides :1##### 2.3. Use mathematical models to represent and understand quantitative relationships.

###### 2.3.1. Model situations that involve the addition and subtraction of whole numbers, using objects, pictures, and symbols.

**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**3 Digit Addition**FreeAdding large numbers involves breaking the problem down into smaller addition facts. Read more...iWorksheets :4Study Guides :1**3 Digit Subtraction**What Is Three-Digit Subtraction? We subtract to compare numbers. We are able to find the difference between numbers through subtraction. We use subtraction to find out how much more we have or how much smaller something is in comparison to another number. Read more...iWorksheets :3Study Guides :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction is not Commutative**Commutative means you can switch around the numbers you are using without changing the result. Addition is commutative. Subtraction, however, is not commutative. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**Double Digit Subtraction**What Is Double Digit Subtraction? Double digit subtraction is taking a number with two digits (ex. 23) and subtracting it from another two digit number (ex. 33). The answer is known as the difference. Read more...iWorksheets :4Study Guides :1**Double Digit Addition**What Is Double Digit Addition? Double digit addition is taking a two digit number (ex. 32) and adding it to another two digit number (ex. 27). The answer of these two addends is known as the sum. Read more...iWorksheets :4Study Guides :1**Regrouping**What Is Regrouping? Regrouping in addition is used when the sum of the ones place is larger than nine. The tens place of the sum is moved to the top of the tens place column to be added with the others. Read more...iWorksheets :3Study Guides :1**Word Problems**What Are Story Problems? Story problems are a bunch of sentences set up to give you
information in order to solve a problem. Story problems most often give you all the information needed to solve the problem. They may even include information you do not need at all. Read more...iWorksheets :8Study Guides :1**One Less, One More**What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets :3Study Guides :1#### NCTM.3. Geometry

##### 3.1. Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships.

###### 3.1.1. Recognize, name, build, draw, compare, and sort two- and three-dimensional shapes.

**Shapes**We are surrounded by many different kinds of shapes every day. Many shapes are flat. These shapes are two-dimensional plane figures. Read more...iWorksheets :10Study Guides :1**Shapes**FreeA shape is the form something takes. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Solids and Faces**You can use solid shapes to help describe real-world objects.
These shapes have surfaces called faces. Read more...iWorksheets :5Study Guides :1**Congruent Shapes**FreeCongruent shapes are shapes that are the exact same shape and size. Congruent shapes can be rotated or reflected. When 2 shapes are congruent, they have the exact same size and shape. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Solids**What are solid figures? Solid figures are 3-dimensional figures that have length, width, and height. Solid figures have faces on them. A face is a FLAT surface on a solid figure and can be different shapes. Read more...iWorksheets :7Study Guides :1###### 3.1.2. Describe attributes and parts of two- and three-dimensional shapes.

**Shapes**We are surrounded by many different kinds of shapes every day. Many shapes are flat. These shapes are two-dimensional plane figures. Read more...iWorksheets :10Study Guides :1**Shapes**FreeA shape is the form something takes. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Solids and Faces**You can use solid shapes to help describe real-world objects.
These shapes have surfaces called faces. Read more...iWorksheets :5Study Guides :1**Congruent Shapes**FreeCongruent shapes are shapes that are the exact same shape and size. Congruent shapes can be rotated or reflected. When 2 shapes are congruent, they have the exact same size and shape. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Solids**What are solid figures? Solid figures are 3-dimensional figures that have length, width, and height. Solid figures have faces on them. A face is a FLAT surface on a solid figure and can be different shapes. Read more...iWorksheets :7Study Guides :1##### 3.2. Specify locations and describe spatial relationships using coordinate geometry and other representational systems.

###### 3.2.1. Describe, name, and interpret relative positions in space and apply ideas about relative position.

**Relative Position**What is Relative Position? Relative position describes where an object or person is compared to another object or person. The terms used in relative position are: below, up, next to, left, right, under, over, behind, on front of, far near, down. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Relative Position**Relative position describes where objects are positioned in relationship to other nearby objects. This can be a point defined with reference to another position, either fixed or moving. Read more...iWorksheets :8###### 3.2.2. Describe, name, and interpret direction and distance in navigating space and apply ideas about direction and distance.

**Relative Position**What is Relative Position? Relative position describes where an object or person is compared to another object or person. The terms used in relative position are: below, up, next to, left, right, under, over, behind, on front of, far near, down. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Relative Position**Relative position describes where objects are positioned in relationship to other nearby objects. This can be a point defined with reference to another position, either fixed or moving. Read more...iWorksheets :8###### 3.2.3. Find and name locations with simple relationships such as ''near to'' and in coordinate systems such as maps.

**Relative Position**What is Relative Position? Relative position describes where an object or person is compared to another object or person. The terms used in relative position are: below, up, next to, left, right, under, over, behind, on front of, far near, down. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Relative Position**Relative position describes where objects are positioned in relationship to other nearby objects. This can be a point defined with reference to another position, either fixed or moving. Read more...iWorksheets :8##### 3.3. Apply transformations and use symmetry to analyze mathematical situations.

###### 3.3.2. Recognize and create shapes that have symmetry.

**Symmetry**Symmetry is an exact matching of two parts along a fold line. Read more...iWorksheets :4Study Guides :1**Symmetry**What is Symmetry? Symmetry is when a shape or an object can be folded and both sides of the fold are the same size and shape. The fold line is called the line of symmetry. Not all shapes or objects have a line of symmetry. Read more...iWorksheets :3Study Guides :1Vocabulary :1##### 3.4. Use visualization, spatial reasoning, and geometric modeling to solve problems.

###### 3.4.3. Relate ideas in geometry to ideas in number and measurement.

**Perimeter**What Is Perimeter? The perimeter is the measurement of the distance around the
outside of a shape or object. To find the perimeter of a shape or object, simply add the outside dimensions together. Read more...iWorksheets :4Study Guides :1###### 3.4.4. Recognize geometric shapes and structures in the environment and specify their location.

**Shapes**We are surrounded by many different kinds of shapes every day. Many shapes are flat. These shapes are two-dimensional plane figures. Read more...iWorksheets :10Study Guides :1**Shapes**FreeA shape is the form something takes. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Solids and Faces**You can use solid shapes to help describe real-world objects.
These shapes have surfaces called faces. Read more...iWorksheets :5Study Guides :1**Symmetry**What is Symmetry? Symmetry is when a shape or an object can be folded and both sides of the fold are the same size and shape. The fold line is called the line of symmetry. Not all shapes or objects have a line of symmetry. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Congruent Shapes**FreeCongruent shapes are shapes that are the exact same shape and size. Congruent shapes can be rotated or reflected. When 2 shapes are congruent, they have the exact same size and shape. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Solids**What are solid figures? Solid figures are 3-dimensional figures that have length, width, and height. Solid figures have faces on them. A face is a FLAT surface on a solid figure and can be different shapes. Read more...iWorksheets :7Study Guides :1#### NCTM.4. Measurement

##### 4.1. Understand measurable attributes of objects and the units, systems, and processes of measurement.

###### 4.1.1. Recognize the attributes of length, volume, weight, area, and time.

**Calendar**FreeA calendar is a chart or series of pages showing the days, weeks, and months of a particular year, or giving particular seasonal information. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Months of the Year**FreeThere are twelve months in one year. The months are always in the same order. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Measurement**Measurement is the use of units to show size, length, weight, or capacity.There are customary measurements and metric measurements. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Measurement**Measurement in inches, feet, centimeters, meters, cups, pints, quarts, gallons, liters, pounds, grams, and kilograms. Read more...iWorksheets :6Study Guides :1Vocabulary :3**Units of Measure**What are Units of Measurement? People measure mass, volume, and length. These measurements are labeled with appropriate unit of measurement. Read more...iWorksheets :4Study Guides :1**Comparing Objects**When you compare two objects, you identify how the objects are ALIKE and how they are DIFFERENT. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Time**Tell time to the nearest hour, half hour, and quarter hour. Read more...iWorksheets :8Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Telling Time**Time is measuring of how long it takes to do different activities like playing a game, doing your Math homework or riding your bike. A clock measures time. It helps us know the time. Time is measured in hours and minutes. Read more...iWorksheets :10Study Guides :1Vocabulary :1**Measurement**FreeWhat is measurement? Measurement is used in our everyday lives. We measure to cook or bake, and how far away a place is. There are metric measurements which include liters, centimeters, grams and kilograms. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Days of the Week**What are the days of the week? There are seven days in a week. They are: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday. Saturday and Sunday are considered weekends. Monday through Friday are considered weekdays. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Determine Appropriate Standard of Units**What are the Standard of Units? When measuring objects or distances, there are certain measurements of length, distance, weight, and capacity that should be used. There are customary standard of units and metric standard of units. Read more...iWorksheets :3Study Guides :1**Time**FreeWhat Is Time? Time is a way to measure days, nights, and events. Time is made up of seconds, minutes, and hours. An analog clock is a clock with the numbers 1 through 12 around in a circle. Read more...iWorksheets :15Study Guides :1###### 4.1.2. Compare and order objects according to these attributes.

**Comparing Objects**When you compare two objects, you identify how the objects are ALIKE and how they are DIFFERENT. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Attributes**FreeAn attribute describes an object.
<br>You use attributes to describe two objects when they are not the same.
<br>An attribute can tell you if an object is shorter, taller, longer or smaller than another object. Read more...iWorksheets :18Study Guides :1Vocabulary :3###### 4.1.3. Understand how to measure using nonstandard and standard units.

**Measurement**Measurement is the use of units to show size, length, weight, or capacity.There are customary measurements and metric measurements. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Measurement**Measurement in inches, feet, centimeters, meters, cups, pints, quarts, gallons, liters, pounds, grams, and kilograms. Read more...iWorksheets :6Study Guides :1Vocabulary :3**Units of Measure**What are Units of Measurement? People measure mass, volume, and length. These measurements are labeled with appropriate unit of measurement. Read more...iWorksheets :4Study Guides :1**Comparing Objects**When you compare two objects, you identify how the objects are ALIKE and how they are DIFFERENT. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Measurement**FreeWhat is measurement? Measurement is used in our everyday lives. We measure to cook or bake, and how far away a place is. There are metric measurements which include liters, centimeters, grams and kilograms. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Determine Appropriate Standard of Units**What are the Standard of Units? When measuring objects or distances, there are certain measurements of length, distance, weight, and capacity that should be used. There are customary standard of units and metric standard of units. Read more...iWorksheets :3Study Guides :1###### 4.1.4. Select an appropriate unit and tool for the attribute being measured.

**Measurement**Measurement is the use of units to show size, length, weight, or capacity.There are customary measurements and metric measurements. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Measurement**Measurement in inches, feet, centimeters, meters, cups, pints, quarts, gallons, liters, pounds, grams, and kilograms. Read more...iWorksheets :6Study Guides :1Vocabulary :3**Units of Measure**What are Units of Measurement? People measure mass, volume, and length. These measurements are labeled with appropriate unit of measurement. Read more...iWorksheets :4Study Guides :1**Comparing Objects**When you compare two objects, you identify how the objects are ALIKE and how they are DIFFERENT. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Temperature**Temperature is what we use to measure how hot or cold things are. A thermometer is used to measure temperature. Read more...iWorksheets :3Study Guides :1**Measurement**FreeWhat is measurement? Measurement is used in our everyday lives. We measure to cook or bake, and how far away a place is. There are metric measurements which include liters, centimeters, grams and kilograms. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Determine Appropriate Standard of Units**What are the Standard of Units? When measuring objects or distances, there are certain measurements of length, distance, weight, and capacity that should be used. There are customary standard of units and metric standard of units. Read more...iWorksheets :3Study Guides :1**Temperature**What Is Temperature? Temperature is the measure of how hot or cold something is. Temperature is measured with a thermometer. Temperature is measured in degrees Celsius (ºC) or degrees Fahrenheit (ºF). Read more...iWorksheets :3Study Guides :1##### 4.2. Apply appropriate techniques, tools, and formulas to determine measurements.

###### 4.2.3. Use tools to measure.

**Measurement**Measurement is the use of units to show size, length, weight, or capacity.There are customary measurements and metric measurements. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Measurement**Measurement in inches, feet, centimeters, meters, cups, pints, quarts, gallons, liters, pounds, grams, and kilograms. Read more...iWorksheets :6Study Guides :1Vocabulary :3**Units of Measure**What are Units of Measurement? People measure mass, volume, and length. These measurements are labeled with appropriate unit of measurement. Read more...iWorksheets :4Study Guides :1**Comparing Objects**When you compare two objects, you identify how the objects are ALIKE and how they are DIFFERENT. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Temperature**Temperature is what we use to measure how hot or cold things are. A thermometer is used to measure temperature. Read more...iWorksheets :3Study Guides :1**Measurement**FreeWhat is measurement? Measurement is used in our everyday lives. We measure to cook or bake, and how far away a place is. There are metric measurements which include liters, centimeters, grams and kilograms. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Determine Appropriate Standard of Units**What are the Standard of Units? When measuring objects or distances, there are certain measurements of length, distance, weight, and capacity that should be used. There are customary standard of units and metric standard of units. Read more...iWorksheets :3Study Guides :1**Temperature**What Is Temperature? Temperature is the measure of how hot or cold something is. Temperature is measured with a thermometer. Temperature is measured in degrees Celsius (ºC) or degrees Fahrenheit (ºF). Read more...iWorksheets :3Study Guides :1#### NCTM.5. Data Analysis and Probability

##### 5.2. Select and use appropriate statistical methods to analyze data.

###### 5.2.1. Describe parts of the data and the set of data as a whole to determine what the data show.

**Graphs and Charts**What Are Graphs? A way to show information in the form of shapes or pictures. Graphs show the relationship between two sets of information. There are many different types of graphs. A few of them include bar graphs, line graphs, pictographs, and circle graphs. Read more...iWorksheets :7Study Guides :1Vocabulary :1**Graphs**Graphs are visual displays of data and information. A bar graph is a graph that uses BARS to show data. Bar graphs are used to compare two or more objects or people. Graphs and charts allow people to learn information quickly and easily. Read more...iWorksheets :9Study Guides :1##### 5.3. Develop and evaluate inferences and predictions that are based on data.

###### 5.3.1. Discuss events related to students'' experiences as likely or unlikely.

**Probability**What Is Probability? Probability is the chance that a particular event will occur. There are four different ways to show the probability: One way is to show the certainty: certain, likely, somewhat likely, not likely, impossible. The other three ways are with numbers. Probability word problems worksheet. Read more...iWorksheets :6Study Guides :1**Probability**What is Probability? Probability is the CHANCE of whether something will happen or not. If two things or events have the same chance of happening, we say then they have the SAME probability. Probability word problems worksheet. Read more...iWorksheets :8Study Guides :1#### NCTM.11. Grade 2 Curriculum Focal Points

##### 11.1. Number and Operations: Developing an understanding of the base-ten numeration system and place-value concepts

###### 11.1.1. Children develop an understanding of the base-ten numeration system and place-value concepts (at least to 1000). Their understanding of base-ten numeration includes ideas of counting in units and multiples of hundreds, tens, and ones, as well as a grasp of number relationships, which they demonstrate in a variety of ways, including comparing and ordering numbers. They understand multi-digit numbers in terms of place value, recognizing that place-value notation is a shorthand for the sums of multiples of powers of 10 (e.g., 853 as 8 hundreds + 5 tens + 3 ones).

**Estimation**When you make an estimate, you are making a guess that is approximate.
This is often done by rounding. Read more...iWorksheets :6Study Guides :1**Sequencing**Sequencing is when when you count, numbers go in a specific order. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Ordering and Comparing Numbers**When you order numbers, you are putting the numbers in a sequence from the smallest value to the largest value. When you compare two numbers, you are finding which number is larger or smaller than the other. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Counting to 999**When you count, you start with the number 1 and stop counting after you
count the last object you happen to be counting. Read more...iWorksheets :3Study Guides :1**Place Value**What is Place Value? Place value is the AMOUNT that each digit is worth in a number. A number can have MANY place values. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Comparing Numbers**When comparing two numbers, you figure out if one number is GREATER or LESS THAN the other number. You can use SIGNS to show if a number is greater than, less than, or equal to another number. Read more...iWorksheets :4Study Guides :1Vocabulary :2**Rounding to Nearest 10**Rounding makes numbers easier to work with if you do not need an exact number. Rounded numbers are only approximate. You can use rounded numbers to get an answer that is close but does not have to be exact. Read more...iWorksheets :3Study Guides :1**Place Value**What is place value? Place value is the amount that each digit is worth in a numeral. There are many different place values. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Greater Than, Less Than**When a number is greater than another number, it means that is is larger. > is the greater than symbol. < is the less than symbol. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Greater Than/Less Than**What Is Greater Than and Less Than? When a number is greater than another number, this means it is a larger number. The symbol for greater than is >. When a number is less than another number, this means it is a smaller number. The symbol for less than is <. Read more...iWorksheets :6Study Guides :1**Expanding Numbers**What Are Expanding Numbers? An expanding number is taking a larger number apart and showing each number’s total value. Number 5398 in expanded form is 5000 + 300 + 90 + 8. Read more...iWorksheets :3Study Guides :1**Place Value**Place value is what each digit is worth. In the number 4,573 there are four thousands, five hundreds, seven tens, and three ones. How to Find the Place Value: In order to find the place value of a number, you can count the number of places from the right. The first number will be the ones place. The next number moving towards the left would be the tens place, and so on. Read more...iWorksheets :10Study Guides :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1##### 11.2. Number and Operations and Algebra: Developing quick recall of addition facts and related subtraction facts and fluency with multi-digit addition and subtraction

###### 11.2.1. Children use their understanding of addition to develop quick recall of basic addition facts and related subtraction facts. They solve arithmetic problems by applying their understanding of models of addition and subtraction (such as combining or separating sets or using number lines), relationships and properties of number (such as place value), and properties of addition (commutativity and associativity). Children develop, discuss, and use efficient, accurate, and generalizable methods to add and subtract multi-digit whole numbers. They select and apply appropriate methods to estimate sums and differences or calculate them mentally, depending on the context and numbers involved. They develop fluency with efficient procedures, including standard algorithms, for adding and subtracting whole numbers, understand why the procedures work (on the basis of place value and properties of operations), and use them to solve problems.

**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**3 Digit Addition**FreeAdding large numbers involves breaking the problem down into smaller addition facts. Read more...iWorksheets :4Study Guides :1**3 Digit Subtraction**What Is Three-Digit Subtraction? We subtract to compare numbers. We are able to find the difference between numbers through subtraction. We use subtraction to find out how much more we have or how much smaller something is in comparison to another number. Read more...iWorksheets :3Study Guides :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction is not Commutative**Commutative means you can switch around the numbers you are using without changing the result. Addition is commutative. Subtraction, however, is not commutative. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Commutative Property**The commutative property of addition says that we can add numbers
in any order and get the same sum. Read more...iWorksheets :3Study Guides :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Commutative Property**What is the commutative property? It is used in addition. Commutative property is when a number sentence is turned around and it still means the same thing. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**Double Digit Subtraction**What Is Double Digit Subtraction? Double digit subtraction is taking a number with two digits (ex. 23) and subtracting it from another two digit number (ex. 33). The answer is known as the difference. Read more...iWorksheets :4Study Guides :1**Double Digit Addition**What Is Double Digit Addition? Double digit addition is taking a two digit number (ex. 32) and adding it to another two digit number (ex. 27). The answer of these two addends is known as the sum. Read more...iWorksheets :4Study Guides :1**Regrouping**What Is Regrouping? Regrouping in addition is used when the sum of the ones place is larger than nine. The tens place of the sum is moved to the top of the tens place column to be added with the others. Read more...iWorksheets :3Study Guides :1**Associative Property**Associative Property of Addition explains that when three or more numbers are added, the sum is the same regardless of the order in which the numbers are grouped and/or added. Read more...iWorksheets :3Study Guides :1**Word Problems**What Are Story Problems? Story problems are a bunch of sentences set up to give you
information in order to solve a problem. Story problems most often give you all the information needed to solve the problem. They may even include information you do not need at all. Read more...iWorksheets :8Study Guides :1**One Less, One More**What is One Less or One More? One less means the number that comes before. One more means the number that comes after. How to figure out one more: If you are given a number, say 2. You are asked to find the number that is one more. You count on from 2 and the answer is 3. Read more...iWorksheets :3Study Guides :1##### 11.3. Measurement: Developing an understanding of linear measurement and facility in measuring lengths

###### 11.3.1. Children develop an understanding of the meaning and processes of measurement, including such underlying concepts as partitioning (the mental activity of slicing the length of an object into equal-sized units) and transitivity (e.g., if object A is longer than object B and object B is longer than object C, then object A is longer than object C). They understand linear measure as an iteration of units and use rulers and other measurement tools with that understanding. They understand the need for equal-length units, the use of standard units of measure (centimeter and inch), and the inverse relationship between the size of a unit and the number of units used in a particular measurement (i.e., children recognize that the smaller the unit, the more iterations they need to cover a given length).

**Measurement**Measurement is the use of units to show size, length, weight, or capacity.There are customary measurements and metric measurements. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Measurement**Measurement in inches, feet, centimeters, meters, cups, pints, quarts, gallons, liters, pounds, grams, and kilograms. Read more...iWorksheets :6Study Guides :1Vocabulary :3**Units of Measure**What are Units of Measurement? People measure mass, volume, and length. These measurements are labeled with appropriate unit of measurement. Read more...iWorksheets :4Study Guides :1**Comparing Objects**When you compare two objects, you identify how the objects are ALIKE and how they are DIFFERENT. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Measurement**FreeWhat is measurement? Measurement is used in our everyday lives. We measure to cook or bake, and how far away a place is. There are metric measurements which include liters, centimeters, grams and kilograms. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Determine Appropriate Standard of Units**What are the Standard of Units? When measuring objects or distances, there are certain measurements of length, distance, weight, and capacity that should be used. There are customary standard of units and metric standard of units. Read more...iWorksheets :3Study Guides :1#### NCTM.12. Connections to the Grade 2 Focal Points

##### 12.1. Number and Operations: Children use place value and properties of operations to create equivalent representations of given numbers (such as 35 represented by 35 ones, 3 tens and 5 ones, or 2 tens and 15 ones) and to write, compare, and order multi-digit numbers. They use these ideas to compose and decompose multi-digit numbers. Children add and subtract to solve a variety of problems, including applications involving measurement, geometry, and data, as well as nonroutine problems. In preparation for grade 3, they solve problems involving multiplicative situations, developing initial understandings of multiplication as repeated addition.

**Sequencing**Sequencing is when when you count, numbers go in a specific order. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Story Problems**Story problems are a set of sentences that give you the
information to a problem that you need to solve. With a story problem, it is your job to figure out whether you will use addition or subtraction to solve the problem. Read more...iWorksheets :6Study Guides :1Vocabulary :1**Subtraction Facts**Subtract means to take away. The meaning of 3-2=1 is that two objects are taken away from a group of three objects and one object remains. Subtraction Facts fun Worksheets and Printables. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Subtraction Facts**Subtraction is taking a group of objects and separating them. When you subtract, your answer gets smaller. If you subtract zero from a number, you answer will stay the same. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Using Number Line**What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read more...iWorksheets :4Study Guides :1**Ordering and Comparing Numbers**When you order numbers, you are putting the numbers in a sequence from the smallest value to the largest value. When you compare two numbers, you are finding which number is larger or smaller than the other. Read more...iWorksheets :5Study Guides :1Vocabulary :1**Counting to 999**When you count, you start with the number 1 and stop counting after you
count the last object you happen to be counting. Read more...iWorksheets :3Study Guides :1**Addition Facts**FreeWhen you add, you combine two or more numbers together to get ONE answer… one SUM. A sum is the answer to an addition problem. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Comparing Numbers**When comparing two numbers, you figure out if one number is GREATER or LESS THAN the other number. You can use SIGNS to show if a number is greater than, less than, or equal to another number. Read more...iWorksheets :4Study Guides :1Vocabulary :2**Story Problems**A story problem is a word problem that contains a problem you need to solve by adding, subtracting, multiplying or dividing in order to figure out the answer. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Addition Facts**FreeWhat is Addition? Addition is taking two groups of objects and putting them
together. When adding, the answer gets larger. When you add 0, the answer remains the same.
<br>How to Add: The two numbers you are adding together are called addends. Read more...iWorksheets :13Study Guides :1Vocabulary :2**Greater Than, Less Than**When a number is greater than another number, it means that is is larger. > is the greater than symbol. < is the less than symbol. Read more...iWorksheets :3Study Guides :1Vocabulary :1**Greater Than/Less Than**What Is Greater Than and Less Than? When a number is greater than another number, this means it is a larger number. The symbol for greater than is >. When a number is less than another number, this means it is a smaller number. The symbol for less than is <. Read more...iWorksheets :6Study Guides :1**Expanding Numbers**What Are Expanding Numbers? An expanding number is taking a larger number apart and showing each number’s total value. Number 5398 in expanded form is 5000 + 300 + 90 + 8. Read more...iWorksheets :3Study Guides :1**Word Problems**What Are Story Problems? Story problems are a bunch of sentences set up to give you
information in order to solve a problem. Story problems most often give you all the information needed to solve the problem. They may even include information you do not need at all. Read more...iWorksheets :8Study Guides :1**Sequencing**What is Sequencing? Sequencing means in order. When we count, we count in order or in a sequence. We use sequencing in our every day lives. We follow directions and count in sequence. Try counting by ones. As you say the number, put your finger on the number on the page. 1 2 3 4 5 6 7 8 9 10. Read more...iWorksheets :4Study Guides :1##### 12.2. Geometry and Measurement: Children estimate, measure, and compute lengths as they solve problems involving data, space, and movement through space. By composing and decomposing two-dimensional shapes (intentionally substituting arrangements of smaller shapes for larger shapes or substituting larger shapes for many smaller shapes), they use geometric knowledge and spatial reasoning to develop foundations for understanding area, fractions, and proportions.

**Measurement**Measurement is the use of units to show size, length, weight, or capacity.There are customary measurements and metric measurements. Read more...iWorksheets :10Study Guides :1Vocabulary :2**Measurement**Measurement in inches, feet, centimeters, meters, cups, pints, quarts, gallons, liters, pounds, grams, and kilograms. Read more...iWorksheets :6Study Guides :1Vocabulary :3**Units of Measure**What are Units of Measurement? People measure mass, volume, and length. These measurements are labeled with appropriate unit of measurement. Read more...iWorksheets :4Study Guides :1**Comparing Objects**When you compare two objects, you identify how the objects are ALIKE and how they are DIFFERENT. Read more...iWorksheets :3Study Guides :1Vocabulary :2**Measurement**FreeWhat is measurement? Measurement is used in our everyday lives. We measure to cook or bake, and how far away a place is. There are metric measurements which include liters, centimeters, grams and kilograms. Read more...iWorksheets :12Study Guides :1Vocabulary :2**Determine Appropriate Standard of Units**What are the Standard of Units? When measuring objects or distances, there are certain measurements of length, distance, weight, and capacity that should be used. There are customary standard of units and metric standard of units. Read more...iWorksheets :3Study Guides :1##### 12.3. Algebra: Children use number patterns to extend their knowledge of properties of numbers and operations. For example, when skip counting, they build foundations for understanding multiples and factors.

**Odd and Even**All numbers are either odd or even. When a number is even, it can be split into two sets without any leftovers. When you split a number into two sets and there is one left over, that means the number is odd. Read more...iWorksheets :4Study Guides :1**Skip Counting**You can skip count by large numbers such as 25, 50 or 100. Skip counting
allows you to count by large numbers following a pattern. Read more...iWorksheets :3Study Guides :1**Odd and Even**What are Odd and Even Numbers? ODD numbers are numbers that CAN NOT be equally divided in half, by 2. Read more...iWorksheets :5Study Guides :1**Skip Counting**Skip counting is when you SKIP a number or numbers when counting. Counting by 2s, 3s, 4s, 5, and 10s. Read more...iWorksheets :4Study Guides :1Vocabulary :1**Skip Counting**What is Skip Counting? Skip counting means you do not say every number as you count. You only count special numbers. There are many different ways to skip count. E.g. when counting by twos, you only say every second number: 2 4 6 8 10. Read more...iWorksheets :3Study Guides :1 Standards

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