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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 353 · 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. 1.109 − 57 =
  2. 2.94 − 65 =
  3. 3.1029 − 990 =
  4. 4.58 − 29 =
  5. 5.128 − 76 =
  6. 6.1009 − 992 =
  7. 7.505 − 498 =
  8. 8.59 − 38 =
  9. 9.301 − 296 =
  10. 10.304 − 280 =
  11. 11.515 − 481 =
  12. 12.77 − 25 =
  13. 13.513 − 490 =
  14. 14.518 − 493 =
  15. 15.96 − 74 =
  16. 16.312 − 293 =
  17. 17.75 − 35 =
  18. 18.130 − 81 =
  19. 19.80 − 30 =
  20. 20.80 − 31 =
  21. 21.91 − 65 =
  22. 22.1003 − 980 =
  23. 23.527 − 487 =
  24. 24.85 − 66 =
  25. 25.529 − 486 =
  26. 26.59 − 25 =
  27. 27.501 − 478 =
  28. 28.1023 − 992 =
  29. 29.228 − 189 =
  30. 30.81 − 73 =
  31. 31.77 − 40 =
  32. 32.1025 − 992 =
  33. 33.524 − 486 =
  34. 34.217 − 193 =
  35. 35.504 − 478 =
  36. 36.1015 − 982 =
  37. 37.210 − 179 =
  38. 38.106 − 65 =
  39. 39.1009 − 990 =
  40. 40.102 − 96 =

Answer key

  1. 52
  2. 29
  3. 39
  4. 29
  5. 52
  6. 17
  7. 7
  8. 21
  9. 5
  10. 24
  11. 34
  12. 52
  13. 23
  14. 25
  15. 22
  16. 19
  17. 40
  18. 49
  19. 50
  20. 49
  21. 26
  22. 23
  23. 40
  24. 19
  25. 43
  26. 34
  27. 23
  28. 31
  29. 39
  30. 8
  31. 37
  32. 33
  33. 38
  34. 24
  35. 26
  36. 33
  37. 31
  38. 41
  39. 19
  40. 6

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