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2nd Grade Add by Composing and Decomposing Numbers Resources

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

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

Composing and Decomposing

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

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

Add Using Compensation: Make a New Equation #1

Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!

Make Ten to Add With Number Bonds: Part 1

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