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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 233 · 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. 1.124 − 90 =
  2. 2.63 − 26 =
  3. 3.1022 − 996 =
  4. 4.94 − 71 =
  5. 5.55 − 40 =
  6. 6.302 − 280 =
  7. 7.219 − 194 =
  8. 8.71 − 31 =
  9. 9.128 − 76 =
  10. 10.212 − 194 =
  11. 11.326 − 295 =
  12. 12.1011 − 977 =
  13. 13.201 − 195 =
  14. 14.108 − 93 =
  15. 15.115 − 90 =
  16. 16.229 − 192 =
  17. 17.109 − 92 =
  18. 18.77 − 44 =
  19. 19.104 − 86 =
  20. 20.86 − 73 =
  21. 21.124 − 75 =
  22. 22.97 − 65 =
  23. 23.1029 − 993 =
  24. 24.97 − 68 =
  25. 25.516 − 476 =
  26. 26.53 − 42 =
  27. 27.225 − 185 =
  28. 28.95 − 61 =
  29. 29.312 − 282 =
  30. 30.208 − 185 =
  31. 31.501 − 496 =
  32. 32.516 − 491 =
  33. 33.1025 − 993 =
  34. 34.227 − 183 =
  35. 35.502 − 492 =
  36. 36.117 − 89 =
  37. 37.114 − 96 =
  38. 38.103 − 67 =
  39. 39.228 − 192 =
  40. 40.328 − 277 =

Answer key

  1. 34
  2. 37
  3. 26
  4. 23
  5. 15
  6. 22
  7. 25
  8. 40
  9. 52
  10. 18
  11. 31
  12. 34
  13. 6
  14. 15
  15. 25
  16. 37
  17. 17
  18. 33
  19. 18
  20. 13
  21. 49
  22. 32
  23. 36
  24. 29
  25. 40
  26. 11
  27. 40
  28. 34
  29. 30
  30. 23
  31. 5
  32. 25
  33. 32
  34. 44
  35. 10
  36. 28
  37. 18
  38. 36
  39. 36
  40. 51

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