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Number Decomposition Worksheet - Grade 2

A Grade 2 math worksheet focusing on decomposing numbers into tens and ones, and exploring different ways to make a number.

Grade 2 Math Number SenseNumber Decomposition
Use This Worksheet

Includes

Fill in the Blanks2 Short AnswerMultiple ChoiceTrue / False

Standards

CCSS.MATH.CONTENT.2.NBT.A.3

Topics

mathnumber sensenumber decompositiongrade 2
7 sections · Free to use · Printable
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Number Decomposition - Grade 2

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

Write each number as tens and ones.

1. 34 =   tens +   ones

2. 58 =   tens +   ones

3. 71 =   tens +   ones

4. 90 =   tens +   ones

Show two different ways to make the number 25 using tens and ones.

1. 25 =  

2. 25 =  

1. Which of these shows a correct way to decompose 47?

a

4 tens + 7 ones

b

7 tens + 4 ones

c

4 + 7

d

40 + 70

Read each statement and circle True or False.

1. The number 63 can be decomposed as 6 tens and 3 ones.

T

True

F

False

2. The number 80 can be decomposed as 8 ones.

T

True

F

False

Draw a number line to show how to get to 15 by adding tens and ones. Start at 0.

0101520