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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 595 · 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. 1.303 − 294 =
  2. 2.53 − 37 =
  3. 3.526 − 494 =
  4. 4.1007 − 979 =
  5. 5.98 − 58 =
  6. 6.323 − 296 =
  7. 7.323 − 280 =
  8. 8.301 − 294 =
  9. 9.1017 − 995 =
  10. 10.307 − 297 =
  11. 11.86 − 68 =
  12. 12.119 − 92 =
  13. 13.94 − 77 =
  14. 14.90 − 67 =
  15. 15.79 − 45 =
  16. 16.1009 − 981 =
  17. 17.214 − 181 =
  18. 18.127 − 89 =
  19. 19.518 − 490 =
  20. 20.1003 − 979 =
  21. 21.56 − 44 =
  22. 22.66 − 25 =
  23. 23.73 − 35 =
  24. 24.92 − 61 =
  25. 25.310 − 296 =
  26. 26.329 − 282 =
  27. 27.523 − 482 =
  28. 28.99 − 67 =
  29. 29.311 − 294 =
  30. 30.312 − 286 =
  31. 31.507 − 485 =
  32. 32.51 − 41 =
  33. 33.111 − 84 =
  34. 34.110 − 72 =
  35. 35.505 − 480 =
  36. 36.528 − 490 =
  37. 37.517 − 478 =
  38. 38.328 − 284 =
  39. 39.59 − 43 =
  40. 40.127 − 78 =

Answer key

  1. 9
  2. 16
  3. 32
  4. 28
  5. 40
  6. 27
  7. 43
  8. 7
  9. 22
  10. 10
  11. 18
  12. 27
  13. 17
  14. 23
  15. 34
  16. 28
  17. 33
  18. 38
  19. 28
  20. 24
  21. 12
  22. 41
  23. 38
  24. 31
  25. 14
  26. 47
  27. 41
  28. 32
  29. 17
  30. 26
  31. 22
  32. 10
  33. 27
  34. 38
  35. 25
  36. 38
  37. 39
  38. 44
  39. 16
  40. 49

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