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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 149 · 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. 1.97 − 67 =
  2. 2.203 − 197 =
  3. 3.510 − 492 =
  4. 4.1017 − 975 =
  5. 5.55 − 45 =
  6. 6.61 − 45 =
  7. 7.88 − 78 =
  8. 8.1006 − 986 =
  9. 9.92 − 57 =
  10. 10.230 − 193 =
  11. 11.86 − 75 =
  12. 12.512 − 477 =
  13. 13.1006 − 992 =
  14. 14.66 − 26 =
  15. 15.1019 − 996 =
  16. 16.207 − 190 =
  17. 17.218 − 187 =
  18. 18.508 − 498 =
  19. 19.115 − 89 =
  20. 20.51 − 35 =
  21. 21.227 − 196 =
  22. 22.88 − 76 =
  23. 23.1017 − 994 =
  24. 24.107 − 76 =
  25. 25.506 − 495 =
  26. 26.208 − 185 =
  27. 27.203 − 186 =
  28. 28.503 − 497 =
  29. 29.107 − 78 =
  30. 30.301 − 296 =
  31. 31.93 − 73 =
  32. 32.213 − 197 =
  33. 33.525 − 493 =
  34. 34.528 − 483 =
  35. 35.117 − 98 =
  36. 36.84 − 57 =
  37. 37.1024 − 985 =
  38. 38.118 − 98 =
  39. 39.330 − 283 =
  40. 40.81 − 74 =

Answer key

  1. 30
  2. 6
  3. 18
  4. 42
  5. 10
  6. 16
  7. 10
  8. 20
  9. 35
  10. 37
  11. 11
  12. 35
  13. 14
  14. 40
  15. 23
  16. 17
  17. 31
  18. 10
  19. 26
  20. 16
  21. 31
  22. 12
  23. 23
  24. 31
  25. 11
  26. 23
  27. 17
  28. 6
  29. 29
  30. 5
  31. 20
  32. 16
  33. 32
  34. 45
  35. 19
  36. 27
  37. 39
  38. 20
  39. 47
  40. 7

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