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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 263 · 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. 1.204 − 182 =
  2. 2.77 − 44 =
  3. 3.79 − 41 =
  4. 4.330 − 278 =
  5. 5.104 − 62 =
  6. 6.320 − 280 =
  7. 7.528 − 481 =
  8. 8.103 − 92 =
  9. 9.75 − 38 =
  10. 10.1007 − 998 =
  11. 11.104 − 63 =
  12. 12.71 − 35 =
  13. 13.1027 − 996 =
  14. 14.74 − 44 =
  15. 15.514 − 497 =
  16. 16.1012 − 981 =
  17. 17.1022 − 984 =
  18. 18.224 − 181 =
  19. 19.210 − 180 =
  20. 20.511 − 495 =
  21. 21.1013 − 996 =
  22. 22.82 − 62 =
  23. 23.1028 − 981 =
  24. 24.55 − 39 =
  25. 25.506 − 492 =
  26. 26.127 − 82 =
  27. 27.515 − 482 =
  28. 28.212 − 197 =
  29. 29.1009 − 983 =
  30. 30.101 − 77 =
  31. 31.320 − 298 =
  32. 32.58 − 33 =
  33. 33.217 − 198 =
  34. 34.523 − 482 =
  35. 35.69 − 45 =
  36. 36.305 − 288 =
  37. 37.103 − 97 =
  38. 38.87 − 75 =
  39. 39.509 − 496 =
  40. 40.529 − 489 =

Answer key

  1. 22
  2. 33
  3. 38
  4. 52
  5. 42
  6. 40
  7. 47
  8. 11
  9. 37
  10. 9
  11. 41
  12. 36
  13. 31
  14. 30
  15. 17
  16. 31
  17. 38
  18. 43
  19. 30
  20. 16
  21. 17
  22. 20
  23. 47
  24. 16
  25. 14
  26. 45
  27. 33
  28. 15
  29. 26
  30. 24
  31. 22
  32. 25
  33. 19
  34. 41
  35. 24
  36. 17
  37. 6
  38. 12
  39. 13
  40. 40

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