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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 607 · 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. 1.316 − 294 =
  2. 2.68 − 40 =
  3. 3.109 − 93 =
  4. 4.105 − 76 =
  5. 5.92 − 62 =
  6. 6.73 − 38 =
  7. 7.212 − 184 =
  8. 8.315 − 284 =
  9. 9.1022 − 988 =
  10. 10.52 − 35 =
  11. 11.113 − 90 =
  12. 12.69 − 27 =
  13. 13.83 − 78 =
  14. 14.1011 − 978 =
  15. 15.54 − 48 =
  16. 16.130 − 80 =
  17. 17.72 − 41 =
  18. 18.107 − 80 =
  19. 19.1005 − 994 =
  20. 20.83 − 63 =
  21. 21.1021 − 978 =
  22. 22.113 − 94 =
  23. 23.69 − 48 =
  24. 24.512 − 484 =
  25. 25.503 − 498 =
  26. 26.1027 − 988 =
  27. 27.90 − 78 =
  28. 28.84 − 62 =
  29. 29.85 − 73 =
  30. 30.228 − 194 =
  31. 31.219 − 194 =
  32. 32.209 − 197 =
  33. 33.82 − 60 =
  34. 34.121 − 96 =
  35. 35.1028 − 988 =
  36. 36.1020 − 975 =
  37. 37.330 − 287 =
  38. 38.66 − 46 =
  39. 39.522 − 492 =
  40. 40.67 − 26 =

Answer key

  1. 22
  2. 28
  3. 16
  4. 29
  5. 30
  6. 35
  7. 28
  8. 31
  9. 34
  10. 17
  11. 23
  12. 42
  13. 5
  14. 33
  15. 6
  16. 50
  17. 31
  18. 27
  19. 11
  20. 20
  21. 43
  22. 19
  23. 21
  24. 28
  25. 5
  26. 39
  27. 12
  28. 22
  29. 12
  30. 34
  31. 25
  32. 12
  33. 22
  34. 25
  35. 40
  36. 45
  37. 43
  38. 20
  39. 30
  40. 41

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