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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 193 · 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. 1.52 − 27 =
  2. 2.104 − 75 =
  3. 3.72 − 31 =
  4. 4.124 − 82 =
  5. 5.105 − 76 =
  6. 6.1023 − 978 =
  7. 7.88 − 57 =
  8. 8.105 − 90 =
  9. 9.64 − 30 =
  10. 10.1004 − 996 =
  11. 11.230 − 194 =
  12. 12.63 − 40 =
  13. 13.91 − 72 =
  14. 14.94 − 75 =
  15. 15.210 − 189 =
  16. 16.61 − 44 =
  17. 17.105 − 95 =
  18. 18.86 − 74 =
  19. 19.124 − 81 =
  20. 20.219 − 189 =
  21. 21.1019 − 986 =
  22. 22.230 − 175 =
  23. 23.510 − 493 =
  24. 24.501 − 486 =
  25. 25.526 − 487 =
  26. 26.319 − 288 =
  27. 27.1018 − 996 =
  28. 28.209 − 183 =
  29. 29.106 − 90 =
  30. 30.328 − 286 =
  31. 31.1019 − 987 =
  32. 32.512 − 497 =
  33. 33.96 − 74 =
  34. 34.306 − 295 =
  35. 35.1003 − 991 =
  36. 36.223 − 183 =
  37. 37.59 − 42 =
  38. 38.116 − 90 =
  39. 39.1014 − 975 =
  40. 40.119 − 76 =

Answer key

  1. 25
  2. 29
  3. 41
  4. 42
  5. 29
  6. 45
  7. 31
  8. 15
  9. 34
  10. 8
  11. 36
  12. 23
  13. 19
  14. 19
  15. 21
  16. 17
  17. 10
  18. 12
  19. 43
  20. 30
  21. 33
  22. 55
  23. 17
  24. 15
  25. 39
  26. 31
  27. 22
  28. 26
  29. 16
  30. 42
  31. 32
  32. 15
  33. 22
  34. 11
  35. 12
  36. 40
  37. 17
  38. 26
  39. 39
  40. 43

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