Subtraction Within 20 Worksheet (Free Printable)

A free printable subtraction within 20 worksheet with 30 questions and an answer key, for Primary 1 and Primary 2. Print it, make a new set of questions, or practise online with Subtraction Sprint.

Subtraction within 20Name: ____________________Date: ____________Score: ____ / 30
  1. 13 โˆ’ 2 =
  2. 20 โˆ’ 11 =
  3. 14 โˆ’ 0 =
  4. 15 โˆ’ 12 =
  5. 14 โˆ’ 9 =
  6. 14 โˆ’ 2 =
  7. 17 โˆ’ 8 =
  8. 13 โˆ’ 11 =
  9. 9 โˆ’ 5 =
  10. 20 โˆ’ 14 =
  11. 19 โˆ’ 7 =
  12. 12 โˆ’ 7 =
  13. 14 โˆ’ 4 =
  14. 13 โˆ’ 10 =
  15. 12 โˆ’ 5 =
  16. 19 โˆ’ 11 =
  17. 19 โˆ’ 3 =
  18. 8 โˆ’ 5 =
  19. 17 โˆ’ 0 =
  20. 14 โˆ’ 7 =
  21. 12 โˆ’ 1 =
  22. 15 โˆ’ 14 =
  23. 15 โˆ’ 0 =
  24. 10 โˆ’ 0 =
  25. 20 โˆ’ 16 =
  26. 11 โˆ’ 9 =
  27. 9 โˆ’ 4 =
  28. 20 โˆ’ 16 =
  29. 8 โˆ’ 8 =
  30. 14 โˆ’ 9 =

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Tip

Count back, or think of the matching addition fact: 13 โˆ’ 5 = ? because 5 + 8 = 13.

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