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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 946 · 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. 1.201 − 187 =
  2. 2.205 − 196 =
  3. 3.302 − 280 =
  4. 4.69 − 35 =
  5. 5.527 − 484 =
  6. 6.121 − 85 =
  7. 7.1029 − 990 =
  8. 8.515 − 484 =
  9. 9.56 − 48 =
  10. 10.506 − 489 =
  11. 11.315 − 286 =
  12. 12.1012 − 997 =
  13. 13.1002 − 984 =
  14. 14.1008 − 990 =
  15. 15.506 − 476 =
  16. 16.69 − 39 =
  17. 17.89 − 75 =
  18. 18.1026 − 985 =
  19. 19.1024 − 990 =
  20. 20.94 − 77 =
  21. 21.518 − 487 =
  22. 22.51 − 35 =
  23. 23.71 − 46 =
  24. 24.130 − 92 =
  25. 25.204 − 180 =
  26. 26.83 − 57 =
  27. 27.94 − 59 =
  28. 28.317 − 295 =
  29. 29.1015 − 996 =
  30. 30.57 − 44 =
  31. 31.1021 − 987 =
  32. 32.69 − 40 =
  33. 33.517 − 487 =
  34. 34.230 − 198 =
  35. 35.63 − 33 =
  36. 36.224 − 175 =
  37. 37.229 − 192 =
  38. 38.52 − 27 =
  39. 39.51 − 37 =
  40. 40.316 − 291 =

Answer key

  1. 14
  2. 9
  3. 22
  4. 34
  5. 43
  6. 36
  7. 39
  8. 31
  9. 8
  10. 17
  11. 29
  12. 15
  13. 18
  14. 18
  15. 30
  16. 30
  17. 14
  18. 41
  19. 34
  20. 17
  21. 31
  22. 16
  23. 25
  24. 38
  25. 24
  26. 26
  27. 35
  28. 22
  29. 19
  30. 13
  31. 34
  32. 29
  33. 30
  34. 32
  35. 30
  36. 49
  37. 37
  38. 25
  39. 14
  40. 25

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