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Number Decomposition Worksheet

Grade 1 math worksheet focusing on decomposing numbers into pairs in multiple ways for numbers up to 10.

Grade 1 Math Number SenseNumber Decomposition
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Includes

3 Fill in the BlanksShort Answer

Standards

CCSS.MATH.CONTENT.K.OA.A.3CCSS.MATH.CONTENT.1.OA.B.3

Topics

mathgrade 1number sensedecomposition
6 sections · Free to use · Printable
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Number Decomposition

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Decompose each number by finding different pairs that add up to the given number. Use the number line to help you.

1. Decompose the number 5:

012345678910

0 +   = 5

1 +   = 5

2 +   = 5

3 +   = 5

2. Decompose the number 7:

1 +   = 7

2 +   = 7

3 +   = 7

4 +   = 7

3. Decompose the number 9:

3 +   = 9

4 +   = 9

5 +   = 9

6 +   = 9

4. Find two different ways to decompose the number 10.