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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 343 · 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. 1.1018 − 977 =
  2. 2.530 − 480 =
  3. 3.89 − 76 =
  4. 4.121 − 76 =
  5. 5.63 − 37 =
  6. 6.203 − 194 =
  7. 7.303 − 294 =
  8. 8.311 − 279 =
  9. 9.104 − 64 =
  10. 10.79 − 44 =
  11. 11.1013 − 996 =
  12. 12.329 − 294 =
  13. 13.59 − 41 =
  14. 14.1027 − 988 =
  15. 15.107 − 88 =
  16. 16.320 − 298 =
  17. 17.205 − 193 =
  18. 18.1007 − 981 =
  19. 19.106 − 68 =
  20. 20.518 − 487 =
  21. 21.201 − 193 =
  22. 22.212 − 177 =
  23. 23.210 − 187 =
  24. 24.329 − 298 =
  25. 25.128 − 79 =
  26. 26.112 − 86 =
  27. 27.83 − 71 =
  28. 28.1004 − 978 =
  29. 29.504 − 490 =
  30. 30.505 − 490 =
  31. 31.68 − 33 =
  32. 32.109 − 74 =
  33. 33.123 − 95 =
  34. 34.55 − 45 =
  35. 35.68 − 34 =
  36. 36.107 − 87 =
  37. 37.314 − 290 =
  38. 38.96 − 68 =
  39. 39.127 − 97 =
  40. 40.51 − 36 =

Answer key

  1. 41
  2. 50
  3. 13
  4. 45
  5. 26
  6. 9
  7. 9
  8. 32
  9. 40
  10. 35
  11. 17
  12. 35
  13. 18
  14. 39
  15. 19
  16. 22
  17. 12
  18. 26
  19. 38
  20. 31
  21. 8
  22. 35
  23. 23
  24. 31
  25. 49
  26. 26
  27. 12
  28. 26
  29. 14
  30. 15
  31. 35
  32. 35
  33. 28
  34. 10
  35. 34
  36. 20
  37. 24
  38. 28
  39. 30
  40. 15

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