Worksheet: Decomposing the Numbers 8 and 9

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In this worksheet, we will practice decomposing the numbers 8 and 9 into pairs of addends using pictures and ten frames.

Q1:

Which of these has a different answer?

  • A
  • B
  • C
  • D
  • E

Q2:

Each face of a cube has the numbers 1 to 6 where two opposite sides add up to 7. Find the possible values of 𝑋 .

  • A1, 2
  • B4, 2
  • C6, 4
  • D1, 6

Q3:

Find the missing number.

Q4:

Fill in the gaps: .

  • A
  • B
  • C
  • D
  • E

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