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1st and 2nd Grade Common Core Add by Composing and Decomposing Numbers Educational Resources

Practice decomposing numbers and writing equations with this kindergarten and first-grade math worksheet!

Decompose 11-19: Tens and Ones #1

Give your young math learner practice composing numbers 11&ndash;19 with this addition strategies worksheet!

Compose 11-19: Ten and Ones #1

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11&ndash;19!

Compose 11-19: Ten and Ones #2

The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11&ndash;19!

Compose 11-19: Ten and Ones #4

The third in a series of six, this addition worksheet gives learners more practice composing numbers 11&ndash;19!

Compose 11-19: Ten and Ones #3

The fifth in a series of six, this addition worksheet gives learners more practice composing numbers 11&ndash;19!

Compose 11-19: Ten and Ones #5

Get more practice decomposing numbers and writing equations with this inviting math worksheet!

Decompose 11-19: Tens and Ones #2

Decompose 11-19: Tens and Ones #3

Decompose 11-19: Tens and Ones #4

Decompose 11-19: Tens and Ones #5

Decompose 11-19: Tens and Ones #6

Practice adding with dice in this unique number bonds worksheet!

Number Bonds: Roll the Dice

Practice making 10 to solve equations with this colorful first- and second-grade worksheet!&nbsp;

Make 10 to Add: Matching #1

Discover combinations that make 10 with this engaging cut-and-paste worksheet, designed for first and second graders!

Make 10 to Add: Cut-and-Paste Puzzler #1

<p>Explore different ways to make 10 with this first- and second-grade addition worksheet!&nbsp;</p>

Make 10 to Add Three Numbers: Circle and Solve

Enhance your addition skills with this colorful first-grade worksheet about making 10!

Make Ten to Add #1

Sharpen your mental math skills with this second- and third-grade compensation worksheet!&nbsp;

Add Using Compensation: Make a New Equation #1

Learn to break apart numbers and form 10 in this helpful addition worksheet!

Make Ten to Add #2

Help students make the connection between addition and subtraction with this appealing worksheet!

Math Fact: Relationship Between Addition & Subtraction

Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.

Number Bonds All Around

Looking for a worksheet that practices addition and subtraction skills? This printable works with fact families and common denominators.

Fact Families

Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

Decompose to Add: Two Digits Within 20

Ask your child to practice adding up to 10 and breaking down math equations in this math race.

Treasure Diving: Compose Numbers to Make 10 (Game 3)

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Compose and Decompose Within 20

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

Subtraction with Decomposition

How do you make 10? Dive into a math adventure and discover simple equations that add up to 10.

Treasure Diving: Compose Numbers to Make 10 (Game 1)

In this water rafting adventure, children will be asked to choose the equation that adds up to 10.

Water Rafting: Compose Numbers to Make 10 (Game 1)

First graders gain confidence with addition and decomposing numbers in this fun water rafting game! 

Water Rafting: Compose Numbers to Make 10 (Game 2)

Children flex their mental math muscles as they try to quickly find the equations that add up to 10.

Water Rafting: Compose Numbers to Make 10 (Game 3)

Which equation makes 10? Help young mathematicians figure it out in this treasure diving math game.

Treasure Diving: Compose Numbers to Make 10 (Game 2)

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