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Showing Results for composing decomposing

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Composing and Decomposing

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

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

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

Roll some dice to introduce the early concepts of associative and commutative properties in addition by composing and decomposing 10. Worksheets and a quiz are included!

Give Me 10!

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

Decompose 11-19: Tens and Ones #3

Decompose 11-19: Tens and Ones #5

Decompose 11-19: Tens and Ones #2

Decompose 11-19: Tens and Ones #4

Decompose 11-19: Tens and Ones #6

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

Decompose 11-19: Tens and Ones #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)

Use the mat to give students extra practice composing a 10 as they learn to add to 20.

Double Ten Frame Mat

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 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 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 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

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

Compose 11-19: Ten and Ones #6

Kids learn about building numbers with the buttons on grandma's sweater.

Building Numbers Song

Children use their mental math skills to determine which equations add up to 20 in this math game.

Water Rafting: Compose Numbers to Make 20 (Game 3)

Introduce learners to ten frames with this inviting early addition worksheet!

Make 3 in Ten Frames

Practice addition within 10 using ten frames with the help of this addition strategies worksheet!&nbsp;

Make 10 in Ten Frames #1

Make 10 in Ten Frames #2

Make 10 in Ten Frames #3

Give learners helpful practice using ten frames with this inviting early addition worksheet!

Make 4 in Ten Frames

Explore addition within 10 with this fun cut-and-paste math worksheet!

Number Bonds to 10: Cut and Paste #1

Dive into addition within 10 with this fun cut-and-paste math worksheet!

Number Bonds to 10: Cut and Paste #2

Number Bonds to 10: Cut and Paste #3

Children will love racing to the finish line while boosting their addition and mental math skills.

Water Rafting: Compose Numbers to Make 20 (Game 2)

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