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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 5 · 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. 1.73 − 39 =
  2. 2.306 − 287 =
  3. 3.205 − 189 =
  4. 4.1005 − 997 =
  5. 5.508 − 483 =
  6. 6.504 − 478 =
  7. 7.99 − 72 =
  8. 8.57 − 44 =
  9. 9.100 − 55 =
  10. 10.127 − 97 =
  11. 11.227 − 191 =
  12. 12.212 − 198 =
  13. 13.56 − 43 =
  14. 14.67 − 34 =
  15. 15.319 − 287 =
  16. 16.305 − 278 =
  17. 17.311 − 278 =
  18. 18.57 − 42 =
  19. 19.125 − 82 =
  20. 20.108 − 82 =
  21. 21.126 − 80 =
  22. 22.220 − 193 =
  23. 23.509 − 489 =
  24. 24.210 − 196 =
  25. 25.83 − 69 =
  26. 26.1025 − 998 =
  27. 27.110 − 63 =
  28. 28.99 − 63 =
  29. 29.63 − 28 =
  30. 30.224 − 197 =
  31. 31.327 − 290 =
  32. 32.1013 − 982 =
  33. 33.111 − 75 =
  34. 34.318 − 294 =
  35. 35.63 − 32 =
  36. 36.325 − 291 =
  37. 37.115 − 98 =
  38. 38.65 − 41 =
  39. 39.90 − 73 =
  40. 40.302 − 298 =

Answer key

  1. 34
  2. 19
  3. 16
  4. 8
  5. 25
  6. 26
  7. 27
  8. 13
  9. 45
  10. 30
  11. 36
  12. 14
  13. 13
  14. 33
  15. 32
  16. 27
  17. 33
  18. 15
  19. 43
  20. 26
  21. 46
  22. 27
  23. 20
  24. 14
  25. 14
  26. 27
  27. 47
  28. 36
  29. 35
  30. 27
  31. 37
  32. 31
  33. 36
  34. 24
  35. 31
  36. 34
  37. 17
  38. 24
  39. 17
  40. 4

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