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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 653 · 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. 1.503 − 483 =
  2. 2.1015 − 991 =
  3. 3.109 − 73 =
  4. 4.1011 − 977 =
  5. 5.319 − 291 =
  6. 6.524 − 497 =
  7. 7.310 − 292 =
  8. 8.223 − 194 =
  9. 9.106 − 69 =
  10. 10.81 − 72 =
  11. 11.77 − 27 =
  12. 12.1012 − 981 =
  13. 13.505 − 493 =
  14. 14.220 − 180 =
  15. 15.123 − 82 =
  16. 16.313 − 284 =
  17. 17.110 − 97 =
  18. 18.82 − 73 =
  19. 19.206 − 184 =
  20. 20.108 − 75 =
  21. 21.530 − 487 =
  22. 22.509 − 490 =
  23. 23.105 − 97 =
  24. 24.513 − 495 =
  25. 25.329 − 287 =
  26. 26.512 − 478 =
  27. 27.1008 − 987 =
  28. 28.229 − 191 =
  29. 29.1012 − 987 =
  30. 30.109 − 92 =
  31. 31.113 − 97 =
  32. 32.81 − 75 =
  33. 33.99 − 55 =
  34. 34.510 − 475 =
  35. 35.314 − 290 =
  36. 36.110 − 75 =
  37. 37.207 − 192 =
  38. 38.118 − 95 =
  39. 39.91 − 61 =
  40. 40.1010 − 985 =

Answer key

  1. 20
  2. 24
  3. 36
  4. 34
  5. 28
  6. 27
  7. 18
  8. 29
  9. 37
  10. 9
  11. 50
  12. 31
  13. 12
  14. 40
  15. 41
  16. 29
  17. 13
  18. 9
  19. 22
  20. 33
  21. 43
  22. 19
  23. 8
  24. 18
  25. 42
  26. 34
  27. 21
  28. 38
  29. 25
  30. 17
  31. 16
  32. 6
  33. 44
  34. 35
  35. 24
  36. 35
  37. 15
  38. 23
  39. 30
  40. 25

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