Pennsylvania Core and Academic Standards for Second Grade Math

Money
FreeMoney is a current medium of exchange in the form of coins and banknotes. Read more...iWorksheets: 6Study Guides: 1Vocabulary Sets: 1
Number Patterns
A pattern is a repeated cycle. Read more...iWorksheets: 6Study Guides: 1Vocabulary Sets: 1
Number Words
Number words are the words you write for a number. Read more...iWorksheets: 3Study Guides: 1Vocabulary Sets: 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
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: 6
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: 5Study Guides: 1
Time
Tell time to the nearest hour, half hour, and quarter hour. Read more...iWorksheets: 8Study Guides: 1Vocabulary Sets: 2

PA.CC.2.1.2. Numbers and Operations

CC.2.1.2.B. Numbers & Operations in Base Ten

CC.2.1.2.B.1. Use place-value concepts to represent amounts of tens and ones and to compare three digit 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
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
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
Ordering Numbers and Objects by Size
What is Ordering? Ordering is when numbers or objects are in a sequence. They may go from smallest to largest. They may go from largest to smallest. Read more...iWorksheets :5Study 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
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 :7Study 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
CC.2.1.2.B.2. Use place-value concepts to read, write, and skip count to 1000.
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 :3Study Guides :1
Number Words to 1,000
Numbers can be written in word form. 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
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 :4Study 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
Ordinals
Ordinal numbers are numbers that are used to tell what order something is in. Read more...iWorksheets :4Study Guides :1Vocabulary :2
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
CC.2.1.2.B.3. Use place-value understanding and properties of operations to add and subtract within 1000.
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
Double Digit Addition without Regrouping
Steps to follow when adding a double-digit number:
First: Add the two numbers in the ONES place.
Second: Add the two numbers in the TENS place. Read more...
iWorksheets :5Study Guides :1Vocabulary :1
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 :7Study Guides :1

PA.CC.2.2.2. Algebraic Concepts

CC.2.2.2.A. Operations and Algebraic Thinking

CC.2.2.2.A.1. Represent and solve problems involving addition and subtraction within 100.
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
Double Digit Addition without Regrouping
Steps to follow when adding a double-digit number:
First: Add the two numbers in the ONES place.
Second: Add the two numbers in the TENS place. Read more...
iWorksheets :5Study Guides :1Vocabulary :1
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 :7Study Guides :1
CC.2.2.2.A.2. Use mental strategies to add and subtract within 20.
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 :3Study 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
One More, One Less
Count forward by 1 or count backwards by 1. Read more...iWorksheets :3Study 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 :6Study Guides :1Vocabulary :2
Double Digit Addition without Regrouping
Steps to follow when adding a double-digit number:
First: Add the two numbers in the ONES place.
Second: Add the two numbers in the TENS place. Read more...
iWorksheets :5Study Guides :1Vocabulary :1
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.
How to Add: The two numbers you are adding together are called addends. Read more...
iWorksheets :12Study 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

PA.CC.2.3.2. Geometry

CC.2.3.2.A. Geometry

CC.2.3.2.A.2. Use the understanding of fractions to partition shapes into halves, quarters, and thirds.
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
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

PA.CC.2.4.2. Measurement, Data, and Probability

CC.2.4.2.A. Measurement and Data

CC.2.4.2.A.1. Measure and estimate lengths in standard units using appropriate tools.
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
Measurement
Measurement is the use of units to show size, length, weight, or capacity.There are customary measurements and metric measurements. Read more...iWorksheets :9Study 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 :3Study 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
CC.2.4.2.A.2. Tell and write time to the nearest five minutes using both analog and digital clocks.
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
Time
What 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 :13Study Guides :1
CC.2.4.2.A.3. Solve problems and make change using coins and paper currency with appropriate symbols.
Giving Change from $1.00
What Is Giving Change? Change is the money you receive back when you purchase an item and give the cashier more than the item cost. To figure out the change you will receive from a purchase, simply subtract the total amount of the purchase from the amount you are giving the cashier. Read more...iWorksheets :4Study Guides :1
CC.2.4.2.A.4. Represent and interpret data using line plots, picture graphs, and bar graphs.
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
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 :6Study 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 :7Study Guides :1
Standards

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