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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 729 · 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. 1.307 − 289 =
  2. 2.120 − 83 =
  3. 3.75 − 33 =
  4. 4.56 − 41 =
  5. 5.1023 − 996 =
  6. 6.306 − 288 =
  7. 7.58 − 39 =
  8. 8.51 − 42 =
  9. 9.211 − 186 =
  10. 10.228 − 181 =
  11. 11.119 − 98 =
  12. 12.78 − 42 =
  13. 13.524 − 476 =
  14. 14.82 − 68 =
  15. 15.102 − 57 =
  16. 16.302 − 293 =
  17. 17.1019 − 984 =
  18. 18.76 − 37 =
  19. 19.317 − 280 =
  20. 20.54 − 26 =
  21. 21.516 − 486 =
  22. 22.89 − 60 =
  23. 23.514 − 492 =
  24. 24.109 − 95 =
  25. 25.211 − 195 =
  26. 26.81 − 60 =
  27. 27.70 − 41 =
  28. 28.62 − 34 =
  29. 29.1018 − 997 =
  30. 30.308 − 288 =
  31. 31.107 − 86 =
  32. 32.219 − 184 =
  33. 33.217 − 196 =
  34. 34.319 − 276 =
  35. 35.530 − 475 =
  36. 36.303 − 293 =
  37. 37.530 − 496 =
  38. 38.522 − 479 =
  39. 39.320 − 292 =
  40. 40.56 − 40 =

Answer key

  1. 18
  2. 37
  3. 42
  4. 15
  5. 27
  6. 18
  7. 19
  8. 9
  9. 25
  10. 47
  11. 21
  12. 36
  13. 48
  14. 14
  15. 45
  16. 9
  17. 35
  18. 39
  19. 37
  20. 28
  21. 30
  22. 29
  23. 22
  24. 14
  25. 16
  26. 21
  27. 29
  28. 28
  29. 21
  30. 20
  31. 21
  32. 35
  33. 21
  34. 43
  35. 55
  36. 10
  37. 34
  38. 43
  39. 28
  40. 16

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