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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 503 · 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. 1.110 − 62 =
  2. 2.218 − 196 =
  3. 3.319 − 296 =
  4. 4.129 − 79 =
  5. 5.203 − 197 =
  6. 6.509 − 493 =
  7. 7.522 − 487 =
  8. 8.82 − 75 =
  9. 9.112 − 83 =
  10. 10.210 − 184 =
  11. 11.505 − 488 =
  12. 12.67 − 25 =
  13. 13.79 − 37 =
  14. 14.1015 − 979 =
  15. 15.1002 − 998 =
  16. 16.105 − 87 =
  17. 17.1027 − 994 =
  18. 18.518 − 495 =
  19. 19.54 − 32 =
  20. 20.92 − 66 =
  21. 21.219 − 175 =
  22. 22.53 − 44 =
  23. 23.226 − 181 =
  24. 24.224 − 196 =
  25. 25.507 − 497 =
  26. 26.207 − 196 =
  27. 27.514 − 481 =
  28. 28.119 − 80 =
  29. 29.58 − 39 =
  30. 30.1016 − 980 =
  31. 31.101 − 73 =
  32. 32.92 − 61 =
  33. 33.101 − 60 =
  34. 34.204 − 184 =
  35. 35.227 − 187 =
  36. 36.1008 − 975 =
  37. 37.323 − 279 =
  38. 38.303 − 284 =
  39. 39.217 − 194 =
  40. 40.69 − 44 =

Answer key

  1. 48
  2. 22
  3. 23
  4. 50
  5. 6
  6. 16
  7. 35
  8. 7
  9. 29
  10. 26
  11. 17
  12. 42
  13. 42
  14. 36
  15. 4
  16. 18
  17. 33
  18. 23
  19. 22
  20. 26
  21. 44
  22. 9
  23. 45
  24. 28
  25. 10
  26. 11
  27. 33
  28. 39
  29. 19
  30. 36
  31. 28
  32. 31
  33. 41
  34. 20
  35. 40
  36. 33
  37. 44
  38. 19
  39. 23
  40. 25

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