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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 352 · 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. 1.54 − 38 =
  2. 2.215 − 180 =
  3. 3.124 − 80 =
  4. 4.1027 − 990 =
  5. 5.102 − 96 =
  6. 6.97 − 68 =
  7. 7.319 − 292 =
  8. 8.310 − 279 =
  9. 9.108 − 78 =
  10. 10.110 − 59 =
  11. 11.126 − 95 =
  12. 12.54 − 42 =
  13. 13.323 − 283 =
  14. 14.1019 − 978 =
  15. 15.55 − 37 =
  16. 16.207 − 196 =
  17. 17.101 − 77 =
  18. 18.510 − 495 =
  19. 19.61 − 33 =
  20. 20.1026 − 993 =
  21. 21.1020 − 978 =
  22. 22.117 − 91 =
  23. 23.509 − 475 =
  24. 24.507 − 491 =
  25. 25.62 − 34 =
  26. 26.124 − 85 =
  27. 27.98 − 58 =
  28. 28.513 − 481 =
  29. 29.510 − 498 =
  30. 30.223 − 194 =
  31. 31.105 − 60 =
  32. 32.81 − 65 =
  33. 33.217 − 191 =
  34. 34.501 − 478 =
  35. 35.126 − 96 =
  36. 36.104 − 78 =
  37. 37.229 − 192 =
  38. 38.518 − 485 =
  39. 39.209 − 175 =
  40. 40.308 − 291 =

Answer key

  1. 16
  2. 35
  3. 44
  4. 37
  5. 6
  6. 29
  7. 27
  8. 31
  9. 30
  10. 51
  11. 31
  12. 12
  13. 40
  14. 41
  15. 18
  16. 11
  17. 24
  18. 15
  19. 28
  20. 33
  21. 42
  22. 26
  23. 34
  24. 16
  25. 28
  26. 39
  27. 40
  28. 32
  29. 12
  30. 29
  31. 45
  32. 16
  33. 26
  34. 23
  35. 30
  36. 26
  37. 37
  38. 33
  39. 34
  40. 17

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