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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 733 · 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. 1.327 − 286 =
  2. 2.1013 − 994 =
  3. 3.94 − 62 =
  4. 4.328 − 280 =
  5. 5.504 − 490 =
  6. 6.1028 − 991 =
  7. 7.52 − 46 =
  8. 8.69 − 33 =
  9. 9.306 − 280 =
  10. 10.507 − 478 =
  11. 11.207 − 193 =
  12. 12.1004 − 980 =
  13. 13.106 − 72 =
  14. 14.103 − 70 =
  15. 15.89 − 61 =
  16. 16.314 − 279 =
  17. 17.61 − 26 =
  18. 18.315 − 298 =
  19. 19.76 − 30 =
  20. 20.1002 − 993 =
  21. 21.87 − 56 =
  22. 22.64 − 42 =
  23. 23.1028 − 989 =
  24. 24.311 − 282 =
  25. 25.95 − 62 =
  26. 26.112 − 84 =
  27. 27.61 − 28 =
  28. 28.304 − 289 =
  29. 29.512 − 493 =
  30. 30.226 − 197 =
  31. 31.528 − 486 =
  32. 32.1006 − 979 =
  33. 33.205 − 195 =
  34. 34.56 − 40 =
  35. 35.92 − 65 =
  36. 36.87 − 75 =
  37. 37.223 − 180 =
  38. 38.326 − 281 =
  39. 39.1013 − 978 =
  40. 40.66 − 40 =

Answer key

  1. 41
  2. 19
  3. 32
  4. 48
  5. 14
  6. 37
  7. 6
  8. 36
  9. 26
  10. 29
  11. 14
  12. 24
  13. 34
  14. 33
  15. 28
  16. 35
  17. 35
  18. 17
  19. 46
  20. 9
  21. 31
  22. 22
  23. 39
  24. 29
  25. 33
  26. 28
  27. 33
  28. 15
  29. 19
  30. 29
  31. 42
  32. 27
  33. 10
  34. 16
  35. 27
  36. 12
  37. 43
  38. 45
  39. 35
  40. 26

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