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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 716 · 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. 1.104 − 67 =
  2. 2.68 − 42 =
  3. 3.63 − 28 =
  4. 4.1028 − 997 =
  5. 5.84 − 76 =
  6. 6.91 − 64 =
  7. 7.220 − 190 =
  8. 8.220 − 185 =
  9. 9.64 − 39 =
  10. 10.69 − 41 =
  11. 11.78 − 44 =
  12. 12.115 − 85 =
  13. 13.303 − 286 =
  14. 14.78 − 42 =
  15. 15.230 − 190 =
  16. 16.329 − 289 =
  17. 17.93 − 65 =
  18. 18.55 − 42 =
  19. 19.109 − 75 =
  20. 20.226 − 183 =
  21. 21.111 − 82 =
  22. 22.324 − 288 =
  23. 23.510 − 493 =
  24. 24.59 − 44 =
  25. 25.313 − 285 =
  26. 26.323 − 298 =
  27. 27.107 − 68 =
  28. 28.116 − 95 =
  29. 29.52 − 27 =
  30. 30.522 − 485 =
  31. 31.71 − 40 =
  32. 32.204 − 193 =
  33. 33.502 − 480 =
  34. 34.229 − 195 =
  35. 35.219 − 194 =
  36. 36.79 − 28 =
  37. 37.324 − 295 =
  38. 38.227 − 195 =
  39. 39.116 − 96 =
  40. 40.203 − 184 =

Answer key

  1. 37
  2. 26
  3. 35
  4. 31
  5. 8
  6. 27
  7. 30
  8. 35
  9. 25
  10. 28
  11. 34
  12. 30
  13. 17
  14. 36
  15. 40
  16. 40
  17. 28
  18. 13
  19. 34
  20. 43
  21. 29
  22. 36
  23. 17
  24. 15
  25. 28
  26. 25
  27. 39
  28. 21
  29. 25
  30. 37
  31. 31
  32. 11
  33. 22
  34. 34
  35. 25
  36. 51
  37. 29
  38. 32
  39. 20
  40. 19

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