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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 997 · 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. 1.1026 − 979 =
  2. 2.502 − 486 =
  3. 3.1029 − 994 =
  4. 4.509 − 483 =
  5. 5.217 − 175 =
  6. 6.1017 − 985 =
  7. 7.524 − 484 =
  8. 8.79 − 33 =
  9. 9.87 − 78 =
  10. 10.70 − 38 =
  11. 11.124 − 96 =
  12. 12.1019 − 983 =
  13. 13.1021 − 989 =
  14. 14.315 − 298 =
  15. 15.209 − 175 =
  16. 16.1006 − 985 =
  17. 17.1015 − 982 =
  18. 18.65 − 31 =
  19. 19.74 − 33 =
  20. 20.106 − 77 =
  21. 21.520 − 493 =
  22. 22.229 − 197 =
  23. 23.103 − 73 =
  24. 24.309 − 291 =
  25. 25.62 − 29 =
  26. 26.228 − 194 =
  27. 27.105 − 63 =
  28. 28.301 − 278 =
  29. 29.509 − 481 =
  30. 30.1003 − 989 =
  31. 31.1006 − 995 =
  32. 32.100 − 58 =
  33. 33.312 − 277 =
  34. 34.112 − 84 =
  35. 35.305 − 290 =
  36. 36.228 − 196 =
  37. 37.63 − 35 =
  38. 38.518 − 494 =
  39. 39.122 − 92 =
  40. 40.66 − 32 =

Answer key

  1. 47
  2. 16
  3. 35
  4. 26
  5. 42
  6. 32
  7. 40
  8. 46
  9. 9
  10. 32
  11. 28
  12. 36
  13. 32
  14. 17
  15. 34
  16. 21
  17. 33
  18. 34
  19. 41
  20. 29
  21. 27
  22. 32
  23. 30
  24. 18
  25. 33
  26. 34
  27. 42
  28. 23
  29. 28
  30. 14
  31. 11
  32. 42
  33. 35
  34. 28
  35. 15
  36. 32
  37. 28
  38. 24
  39. 30
  40. 34

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