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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 217 · 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. 1.1001 − 980 =
  2. 2.525 − 484 =
  3. 3.109 − 93 =
  4. 4.101 − 76 =
  5. 5.61 − 25 =
  6. 6.86 − 68 =
  7. 7.215 − 192 =
  8. 8.508 − 488 =
  9. 9.73 − 42 =
  10. 10.212 − 176 =
  11. 11.53 − 46 =
  12. 12.330 − 282 =
  13. 13.101 − 98 =
  14. 14.1020 − 981 =
  15. 15.101 − 79 =
  16. 16.202 − 176 =
  17. 17.64 − 26 =
  18. 18.86 − 63 =
  19. 19.65 − 28 =
  20. 20.103 − 66 =
  21. 21.91 − 70 =
  22. 22.327 − 294 =
  23. 23.60 − 31 =
  24. 24.305 − 282 =
  25. 25.51 − 36 =
  26. 26.108 − 94 =
  27. 27.205 − 197 =
  28. 28.128 − 86 =
  29. 29.314 − 290 =
  30. 30.502 − 490 =
  31. 31.108 − 67 =
  32. 32.207 − 193 =
  33. 33.86 − 58 =
  34. 34.82 − 77 =
  35. 35.205 − 178 =
  36. 36.1001 − 995 =
  37. 37.220 − 189 =
  38. 38.106 − 98 =
  39. 39.129 − 97 =
  40. 40.83 − 59 =

Answer key

  1. 21
  2. 41
  3. 16
  4. 25
  5. 36
  6. 18
  7. 23
  8. 20
  9. 31
  10. 36
  11. 7
  12. 48
  13. 3
  14. 39
  15. 22
  16. 26
  17. 38
  18. 23
  19. 37
  20. 37
  21. 21
  22. 33
  23. 29
  24. 23
  25. 15
  26. 14
  27. 8
  28. 42
  29. 24
  30. 12
  31. 41
  32. 14
  33. 28
  34. 5
  35. 27
  36. 6
  37. 31
  38. 8
  39. 32
  40. 24

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