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Mixed addition and subtraction to 20 worksheets Grades 1–2

Mixed addition and subtraction facts to 20. Watch the sign on every problem.

The front of the free mixed addition and subtraction to 20 worksheet
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Free · Worked example · 46 problems · Answer key · US Letter

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How to do it

Watch the sign on every problem.

17−8=17−10+2=7+2=917 - 8 = 17 - 10 + 2 = 7 + 2 = 9take away 10, then add 2 back

Example problems

  1. 4+3=4 + 3 =
  2. 10−5=10 - 5 =
  3. 8+2=8 + 2 =
  4. 8−5=8 - 5 =

Subtraction facts within 20

  1. Subtracting 1 and 2
  2. Subtracting 3 and 4
  3. Subtracting from 10
  4. Subtraction facts within 10
  5. Teen numbers minus ones
  6. Subtracting 5, 6 and 7
  7. Subtracting 8 and 9
  8. Missing number addition and subtraction
  9. Mixed addition and subtraction to 20