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Worksheet: Adding One-Digit Numbers to Two-Digit Numbers by Breaking Apart Ones

Q1:

We can make a ten to help us add 36 and 7.

Break apart 7 to make a ten.

Pick the matching calculation.

  • A 3 6 + 5 + 2
  • B 3 6 + 5 + 3
  • C 3 6 + 4 + 2
  • D 3 6 + 4 + 3

Pick the calculation that is equal to 3 6 + 7 .

  • A 4 0 + 5
  • B 4 0 + 4
  • C 4 0 + 2
  • D 4 0 + 3

What is 3 6 + 7 ?

Q2:

Make a ten to add.

Pick the calculation that is equal to 5 4 + 8 .

  • A 6 0 + 1
  • B 6 0 + 6
  • C 6 0 + 4
  • D 6 0 + 2

What is 5 4 + 8 ?