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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 260 · 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. 1.206 − 194 =
  2. 2.1026 − 981 =
  3. 3.56 − 39 =
  4. 4.118 − 94 =
  5. 5.1002 − 995 =
  6. 6.512 − 484 =
  7. 7.96 − 63 =
  8. 8.1001 − 987 =
  9. 9.513 − 488 =
  10. 10.81 − 75 =
  11. 11.110 − 60 =
  12. 12.85 − 58 =
  13. 13.1001 − 982 =
  14. 14.206 − 182 =
  15. 15.206 − 177 =
  16. 16.102 − 90 =
  17. 17.72 − 26 =
  18. 18.59 − 45 =
  19. 19.111 − 75 =
  20. 20.97 − 66 =
  21. 21.62 − 39 =
  22. 22.84 − 77 =
  23. 23.512 − 493 =
  24. 24.215 − 189 =
  25. 25.515 − 489 =
  26. 26.525 − 497 =
  27. 27.114 − 87 =
  28. 28.108 − 84 =
  29. 29.1014 − 992 =
  30. 30.1006 − 994 =
  31. 31.69 − 34 =
  32. 32.227 − 193 =
  33. 33.108 − 81 =
  34. 34.125 − 94 =
  35. 35.59 − 35 =
  36. 36.303 − 298 =
  37. 37.301 − 297 =
  38. 38.508 − 496 =
  39. 39.502 − 490 =
  40. 40.1020 − 986 =

Answer key

  1. 12
  2. 45
  3. 17
  4. 24
  5. 7
  6. 28
  7. 33
  8. 14
  9. 25
  10. 6
  11. 50
  12. 27
  13. 19
  14. 24
  15. 29
  16. 12
  17. 46
  18. 14
  19. 36
  20. 31
  21. 23
  22. 7
  23. 19
  24. 26
  25. 26
  26. 28
  27. 27
  28. 24
  29. 22
  30. 12
  31. 35
  32. 34
  33. 27
  34. 31
  35. 24
  36. 5
  37. 4
  38. 12
  39. 12
  40. 34

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