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Year 1 · Subtraction

Subtract within 10

Subtracting means taking some away, or finding the difference between two numbers.

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How to do it

  1. Start at the first number.
  2. Count back the second number.
  3. The number you land on is the answer.

Worked example

9 − 4
Start at 9. Count back: 8, 7, 6, 5.
9 − 4 = 5

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Watch out
Count back the right number of jumps, not the numbers you say.

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