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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 970 · 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. 1.509 − 481 =
  2. 2.201 − 193 =
  3. 3.327 − 298 =
  4. 4.102 − 60 =
  5. 5.1006 − 989 =
  6. 6.70 − 28 =
  7. 7.83 − 65 =
  8. 8.104 − 75 =
  9. 9.516 − 476 =
  10. 10.1030 − 989 =
  11. 11.219 − 195 =
  12. 12.1025 − 980 =
  13. 13.114 − 87 =
  14. 14.215 − 181 =
  15. 15.51 − 30 =
  16. 16.505 − 481 =
  17. 17.101 − 79 =
  18. 18.128 − 76 =
  19. 19.502 − 484 =
  20. 20.104 − 79 =
  21. 21.326 − 281 =
  22. 22.518 − 489 =
  23. 23.85 − 56 =
  24. 24.204 − 193 =
  25. 25.56 − 30 =
  26. 26.91 − 76 =
  27. 27.216 − 190 =
  28. 28.1004 − 976 =
  29. 29.224 − 198 =
  30. 30.61 − 35 =
  31. 31.516 − 489 =
  32. 32.101 − 81 =
  33. 33.328 − 298 =
  34. 34.202 − 175 =
  35. 35.201 − 180 =
  36. 36.217 − 195 =
  37. 37.56 − 27 =
  38. 38.66 − 46 =
  39. 39.216 − 182 =
  40. 40.501 − 494 =

Answer key

  1. 28
  2. 8
  3. 29
  4. 42
  5. 17
  6. 42
  7. 18
  8. 29
  9. 40
  10. 41
  11. 24
  12. 45
  13. 27
  14. 34
  15. 21
  16. 24
  17. 22
  18. 52
  19. 18
  20. 25
  21. 45
  22. 29
  23. 29
  24. 11
  25. 26
  26. 15
  27. 26
  28. 28
  29. 26
  30. 26
  31. 27
  32. 20
  33. 30
  34. 27
  35. 21
  36. 22
  37. 29
  38. 20
  39. 34
  40. 7

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