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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 151 · 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. 1.1026 − 984 =
  2. 2.201 − 195 =
  3. 3.1003 − 998 =
  4. 4.309 − 285 =
  5. 5.224 − 189 =
  6. 6.104 − 95 =
  7. 7.71 − 30 =
  8. 8.214 − 183 =
  9. 9.313 − 278 =
  10. 10.204 − 186 =
  11. 11.515 − 490 =
  12. 12.210 − 182 =
  13. 13.310 − 283 =
  14. 14.210 − 189 =
  15. 15.1004 − 992 =
  16. 16.505 − 475 =
  17. 17.1007 − 997 =
  18. 18.1018 − 984 =
  19. 19.504 − 487 =
  20. 20.1013 − 994 =
  21. 21.1002 − 978 =
  22. 22.226 − 198 =
  23. 23.516 − 496 =
  24. 24.60 − 45 =
  25. 25.104 − 77 =
  26. 26.51 − 46 =
  27. 27.510 − 492 =
  28. 28.203 − 195 =
  29. 29.85 − 72 =
  30. 30.328 − 298 =
  31. 31.1017 − 985 =
  32. 32.1025 − 978 =
  33. 33.71 − 33 =
  34. 34.81 − 55 =
  35. 35.502 − 488 =
  36. 36.521 − 476 =
  37. 37.211 − 181 =
  38. 38.307 − 285 =
  39. 39.518 − 493 =
  40. 40.522 − 487 =

Answer key

  1. 42
  2. 6
  3. 5
  4. 24
  5. 35
  6. 9
  7. 41
  8. 31
  9. 35
  10. 18
  11. 25
  12. 28
  13. 27
  14. 21
  15. 12
  16. 30
  17. 10
  18. 34
  19. 17
  20. 19
  21. 24
  22. 28
  23. 20
  24. 15
  25. 27
  26. 5
  27. 18
  28. 8
  29. 13
  30. 30
  31. 32
  32. 47
  33. 38
  34. 26
  35. 14
  36. 45
  37. 30
  38. 22
  39. 25
  40. 35

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