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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 214 · 40 questions
TalentJR

How to do it in your head (Count up): Start at the smaller number. Jump to the next ten, then the next hundred, then to the bigger number. Add up all the jumps.

NameDateTime takenScore ___ / 40
  1. 1.1017 − 984 =
  2. 2.527 − 487 =
  3. 3.112 − 80 =
  4. 4.203 − 182 =
  5. 5.119 − 96 =
  6. 6.103 − 71 =
  7. 7.54 − 45 =
  8. 8.113 − 82 =
  9. 9.89 − 64 =
  10. 10.108 − 74 =
  11. 11.57 − 42 =
  12. 12.326 − 291 =
  13. 13.528 − 491 =
  14. 14.211 − 193 =
  15. 15.115 − 89 =
  16. 16.97 − 75 =
  17. 17.81 − 71 =
  18. 18.526 − 483 =
  19. 19.317 − 283 =
  20. 20.327 − 275 =
  21. 21.126 − 93 =
  22. 22.57 − 35 =
  23. 23.1016 − 991 =
  24. 24.211 − 179 =
  25. 25.218 − 180 =
  26. 26.129 − 90 =
  27. 27.515 − 477 =
  28. 28.71 − 34 =
  29. 29.323 − 295 =
  30. 30.501 − 494 =
  31. 31.520 − 477 =
  32. 32.121 − 84 =
  33. 33.68 − 32 =
  34. 34.504 − 497 =
  35. 35.83 − 72 =
  36. 36.74 − 42 =
  37. 37.77 − 43 =
  38. 38.519 − 497 =
  39. 39.126 − 82 =
  40. 40.96 − 67 =

Answer key

  1. 33
  2. 40
  3. 32
  4. 21
  5. 23
  6. 32
  7. 9
  8. 31
  9. 25
  10. 34
  11. 15
  12. 35
  13. 37
  14. 18
  15. 26
  16. 22
  17. 10
  18. 43
  19. 34
  20. 52
  21. 33
  22. 22
  23. 25
  24. 32
  25. 38
  26. 39
  27. 38
  28. 37
  29. 28
  30. 7
  31. 43
  32. 37
  33. 36
  34. 7
  35. 11
  36. 32
  37. 34
  38. 22
  39. 44
  40. 29

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