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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 704 · 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. 1.313 − 279 =
  2. 2.305 − 292 =
  3. 3.303 − 276 =
  4. 4.302 − 284 =
  5. 5.102 − 98 =
  6. 6.57 − 43 =
  7. 7.58 − 38 =
  8. 8.107 − 64 =
  9. 9.1003 − 978 =
  10. 10.123 − 94 =
  11. 11.1022 − 994 =
  12. 12.123 − 95 =
  13. 13.123 − 80 =
  14. 14.104 − 75 =
  15. 15.87 − 55 =
  16. 16.117 − 88 =
  17. 17.501 − 498 =
  18. 18.126 − 93 =
  19. 19.1024 − 975 =
  20. 20.221 − 193 =
  21. 21.94 − 70 =
  22. 22.229 − 196 =
  23. 23.305 − 295 =
  24. 24.59 − 38 =
  25. 25.325 − 285 =
  26. 26.64 − 48 =
  27. 27.103 − 80 =
  28. 28.529 − 481 =
  29. 29.106 − 85 =
  30. 30.116 − 80 =
  31. 31.79 − 40 =
  32. 32.506 − 489 =
  33. 33.502 − 494 =
  34. 34.530 − 490 =
  35. 35.1008 − 980 =
  36. 36.99 − 73 =
  37. 37.307 − 289 =
  38. 38.107 − 98 =
  39. 39.504 − 496 =
  40. 40.106 − 96 =

Answer key

  1. 34
  2. 13
  3. 27
  4. 18
  5. 4
  6. 14
  7. 20
  8. 43
  9. 25
  10. 29
  11. 28
  12. 28
  13. 43
  14. 29
  15. 32
  16. 29
  17. 3
  18. 33
  19. 49
  20. 28
  21. 24
  22. 33
  23. 10
  24. 21
  25. 40
  26. 16
  27. 23
  28. 48
  29. 21
  30. 36
  31. 39
  32. 17
  33. 8
  34. 40
  35. 28
  36. 26
  37. 18
  38. 9
  39. 8
  40. 10

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