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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 128 · 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. 1.1006 − 984 =
  2. 2.503 − 481 =
  3. 3.204 − 195 =
  4. 4.211 − 179 =
  5. 5.314 − 286 =
  6. 6.107 − 74 =
  7. 7.1010 − 993 =
  8. 8.53 − 42 =
  9. 9.528 − 497 =
  10. 10.329 − 288 =
  11. 11.205 − 188 =
  12. 12.89 − 72 =
  13. 13.114 − 88 =
  14. 14.516 − 487 =
  15. 15.120 − 97 =
  16. 16.105 − 62 =
  17. 17.90 − 67 =
  18. 18.109 − 85 =
  19. 19.128 − 95 =
  20. 20.1018 − 977 =
  21. 21.224 − 185 =
  22. 22.529 − 495 =
  23. 23.322 − 297 =
  24. 24.507 − 476 =
  25. 25.307 − 283 =
  26. 26.89 − 71 =
  27. 27.81 − 68 =
  28. 28.78 − 32 =
  29. 29.315 − 277 =
  30. 30.505 − 498 =
  31. 31.114 − 84 =
  32. 32.1023 − 979 =
  33. 33.63 − 34 =
  34. 34.321 − 298 =
  35. 35.520 − 475 =
  36. 36.93 − 72 =
  37. 37.108 − 91 =
  38. 38.123 − 78 =
  39. 39.101 − 71 =
  40. 40.116 − 75 =

Answer key

  1. 22
  2. 22
  3. 9
  4. 32
  5. 28
  6. 33
  7. 17
  8. 11
  9. 31
  10. 41
  11. 17
  12. 17
  13. 26
  14. 29
  15. 23
  16. 43
  17. 23
  18. 24
  19. 33
  20. 41
  21. 39
  22. 34
  23. 25
  24. 31
  25. 24
  26. 18
  27. 13
  28. 46
  29. 38
  30. 7
  31. 30
  32. 44
  33. 29
  34. 23
  35. 45
  36. 21
  37. 17
  38. 45
  39. 30
  40. 41

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