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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 491 · 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. 1.506 − 497 =
  2. 2.1009 − 995 =
  3. 3.93 − 68 =
  4. 4.318 − 278 =
  5. 5.1007 − 981 =
  6. 6.519 − 486 =
  7. 7.53 − 31 =
  8. 8.213 − 178 =
  9. 9.81 − 69 =
  10. 10.79 − 34 =
  11. 11.306 − 280 =
  12. 12.1013 − 983 =
  13. 13.119 − 75 =
  14. 14.515 − 494 =
  15. 15.120 − 79 =
  16. 16.117 − 87 =
  17. 17.204 − 185 =
  18. 18.1006 − 996 =
  19. 19.215 − 193 =
  20. 20.508 − 485 =
  21. 21.321 − 293 =
  22. 22.1004 − 987 =
  23. 23.308 − 298 =
  24. 24.1009 − 994 =
  25. 25.1019 − 997 =
  26. 26.1008 − 992 =
  27. 27.89 − 59 =
  28. 28.311 − 286 =
  29. 29.96 − 69 =
  30. 30.57 − 43 =
  31. 31.505 − 477 =
  32. 32.316 − 284 =
  33. 33.57 − 40 =
  34. 34.100 − 72 =
  35. 35.217 − 192 =
  36. 36.312 − 277 =
  37. 37.201 − 193 =
  38. 38.109 − 66 =
  39. 39.321 − 294 =
  40. 40.215 − 188 =

Answer key

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

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