Pennsylvania Core and Academic Standards for First Grade Math

Attributes
FreeAn attribute describes an object.
You use attributes to describe two objects when they are not the same.
An attribute can tell you if an object is shorter, taller, longer or smaller than another object. Read more...
iWorksheets: 17Study Guides: 1Vocabulary Sets: 3
Counting Coins
Money is what we use to buy the things we want or need. Pennies, nickels, dimes and quarters are all the forms of US money. Read more...iWorksheets: 4Study Guides: 1Vocabulary Sets: 1
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 Sets: 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 Sets: 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 Sets: 2
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 Sets: 1
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 Sets: 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
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 Sets: 1

PA.CC.2.1.1. Numbers and Operations

CC.2.1.1.B. Numbers & Operations in Base Ten

CC.2.1.1.B.1. Extend the counting sequence to read and write numerals to represent 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 :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
One More, One Less
Count forward by 1 or count backwards by 1. Read more...iWorksheets :3Study Guides :1Vocabulary :1
Number Words
Number words are the words you write for a number. 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 :4Study Guides :1
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
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
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
CC.2.1.1.B.2. Use place-value concepts to represent amounts of tens and ones and to compare two digit numbers.
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
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
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
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
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.2.1.1.B.3. Use place-value concepts and properties of operations to add and subtract within 100.
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

PA.CC.2.2.1. Algebraic Concepts

CC.2.2.1.A. Operations and Algebraic Thinking

CC.2.2.1.A.1. Represent and solve problems involving addition and subtraction 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
CC.2.2.1.A.2. Understand and apply properties of operations and the relationship between 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 :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
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
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

PA.CC.2.3.1. Geometry

CC.2.3.1.A. Geometry

CC.2.3.1.A.1. Compose and distinguish between two- and three-dimensional shapes based on their attributes.
Shapes
FreeA shape is the form something takes. Read more...iWorksheets :12Study 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
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
CC.2.3.1.A.2. Use the understanding of fractions to partition shapes into halves and quarters.
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
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

PA.CC.2.4.1. Measurement, Data, and Probability

CC.2.4.1.A. Measurement and Data

CC.2.4.1.A.1. Order lengths and measure them both indirectly and by repeating length units.
Measurement
Measurement in inches, feet, centimeters, meters, cups, pints, quarts, gallons, liters, pounds, grams, and kilograms. Read more...iWorksheets :6Study Guides :1Vocabulary :3
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
CC.2.4.1.A.2. Tell and write time to the nearest half hour using both analog and digital clocks.
Time
Tell time to the nearest hour, half hour, and quarter hour. Read more...iWorksheets :8Study Guides :1Vocabulary :2
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
Standards

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