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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 922 · 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. 1.210 − 182 =
  2. 2.201 − 198 =
  3. 3.504 − 475 =
  4. 4.514 − 488 =
  5. 5.206 − 178 =
  6. 6.91 − 71 =
  7. 7.103 − 69 =
  8. 8.526 − 476 =
  9. 9.304 − 288 =
  10. 10.76 − 39 =
  11. 11.109 − 59 =
  12. 12.109 − 95 =
  13. 13.527 − 477 =
  14. 14.226 − 194 =
  15. 15.116 − 97 =
  16. 16.118 − 85 =
  17. 17.114 − 96 =
  18. 18.67 − 37 =
  19. 19.126 − 82 =
  20. 20.115 − 94 =
  21. 21.220 − 180 =
  22. 22.1026 − 986 =
  23. 23.517 − 478 =
  24. 24.113 − 86 =
  25. 25.303 − 282 =
  26. 26.301 − 283 =
  27. 27.105 − 84 =
  28. 28.323 − 275 =
  29. 29.105 − 98 =
  30. 30.207 − 195 =
  31. 31.509 − 476 =
  32. 32.509 − 494 =
  33. 33.1007 − 975 =
  34. 34.514 − 483 =
  35. 35.91 − 56 =
  36. 36.1005 − 988 =
  37. 37.120 − 75 =
  38. 38.58 − 33 =
  39. 39.85 − 71 =
  40. 40.53 − 34 =

Answer key

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

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