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Composing and Decomposing Numbers (Grade 1)

Practice composing and decomposing numbers up to 10 in various ways for first graders.

Grade 1 Math AdditionAddition StrategiesComposing and Decomposing Numbers
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Includes

2 Fill in the BlanksShort AnswerMultiple ChoiceTrue / FalseCustom

Standards

CCSS.MATH.CONTENT.1.NBT.B.2CCSS.MATH.CONTENT.K.OA.A.3
8 sections · Free to use · Printable
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Composing and Decomposing Numbers

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Read each question carefully and follow the instructions to compose or decompose numbers.

Directions: Write the number that combines the parts.

1. 3 and 2 make  .

2. 4 and 1 make  .

3. 5 and 3 make  .

4. 6 and 4 make  .

Directions: Write two numbers that make the given number.

1. 5 can be made from   and  .

2. 7 can be made from   and  .

3. 9 can be made from   and  .

4. 10 can be made from   and  .

Directions: Draw a number bond for each number. Show two ways to make the number.

1. Number 6

2. Number 8

1. Which two numbers make 7?

a

2 and 4

b

3 and 4

c

5 and 1

d

6 and 2

2. If you have 5 apples and get 3 more, how many do you have in all?

a

7

b

8

c

9

d

10

Directions: Circle True or False for each statement.

1. 10 can be decomposed into 5 and 5.

T

True

F

False

2. 6 and 2 compose the number 9.

T

True

F

False

Directions: Use the number line to show how to make the number 8. Draw two jumps.

012345678910