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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 447 · 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. 1.91 − 58 =
  2. 2.304 − 295 =
  3. 3.226 − 175 =
  4. 4.313 − 296 =
  5. 5.84 − 77 =
  6. 6.65 − 43 =
  7. 7.1003 − 995 =
  8. 8.103 − 81 =
  9. 9.213 − 180 =
  10. 10.1015 − 985 =
  11. 11.506 − 492 =
  12. 12.69 − 32 =
  13. 13.510 − 494 =
  14. 14.1006 − 977 =
  15. 15.1013 − 997 =
  16. 16.96 − 75 =
  17. 17.74 − 47 =
  18. 18.128 − 87 =
  19. 19.73 − 44 =
  20. 20.220 − 190 =
  21. 21.1009 − 991 =
  22. 22.106 − 82 =
  23. 23.1017 − 978 =
  24. 24.522 − 477 =
  25. 25.60 − 44 =
  26. 26.228 − 185 =
  27. 27.107 − 78 =
  28. 28.1018 − 975 =
  29. 29.107 − 55 =
  30. 30.205 − 179 =
  31. 31.321 − 297 =
  32. 32.1020 − 977 =
  33. 33.102 − 84 =
  34. 34.505 − 498 =
  35. 35.1021 − 980 =
  36. 36.304 − 292 =
  37. 37.82 − 78 =
  38. 38.1002 − 981 =
  39. 39.206 − 189 =
  40. 40.91 − 64 =

Answer key

  1. 33
  2. 9
  3. 51
  4. 17
  5. 7
  6. 22
  7. 8
  8. 22
  9. 33
  10. 30
  11. 14
  12. 37
  13. 16
  14. 29
  15. 16
  16. 21
  17. 27
  18. 41
  19. 29
  20. 30
  21. 18
  22. 24
  23. 39
  24. 45
  25. 16
  26. 43
  27. 29
  28. 43
  29. 52
  30. 26
  31. 24
  32. 43
  33. 18
  34. 7
  35. 41
  36. 12
  37. 4
  38. 21
  39. 17
  40. 27

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