Worksheet: Decomposing the Number 10

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In this worksheet, we will practice using ten frames and picture models to show all the ways to break apart the number 10 into two addends and record the results with equations.

Q1:

This picture shows 4 + 6 = 1 0 .

Which picture shows 2 + 8 = 1 0 ?

  • A
  • B
  • C

Q2:

There are lots of ways to make 10. What is the missing sum?

  • A 6 + 3
  • B 5 + 4
  • C 6 + 4

Q3:

Find another way to make 10.

  • A
  • B
  • C

Q4:

Which is the same as 10?

  • A 1 0 + 1 0 + 1 0 + 1 0 + 1 0 + 1 0 + 1 0 + 1 0 + 1 0 + 1 0
  • B 1 + 1 + 1 + 1 + 1
  • C 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1

Q5:

Here are 9 counters.

Daniel colored the counters.

His picture shows that 5 plus 4 makes 9.

Pick another way to make 9.

  • A
  • B

Pick another way to make 9.

  • A
  • B

Pick another way to make 9.

  • A
  • B

Q6:

Complete the following: 7 + 1 + = 1 0 .

  • A3
  • B9
  • C8
  • D2
  • E1

Q7:

Which of the following is equal to 10?

  • A 1 + 7
  • B 9 + 7
  • C 9 + 8
  • D 9 + 1
  • E 1 + 8

Q8:

Find the two numbers from 7, 9, 3, 5, 10 which add up to 10.

  • A7, 10
  • B9, 5
  • C9, 3
  • D7, 3
  • E7, 9

Q9:

Complete the following: p u r p l e fl o w e r s r e d fl o w e r s fl o w e r s . + 6 = 1 0