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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 213 · 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. 1.1014 − 986 =
  2. 2.98 − 76 =
  3. 3.302 − 276 =
  4. 4.317 − 278 =
  5. 5.1014 − 981 =
  6. 6.526 − 482 =
  7. 7.230 − 197 =
  8. 8.207 − 194 =
  9. 9.99 − 56 =
  10. 10.306 − 293 =
  11. 11.305 − 294 =
  12. 12.55 − 30 =
  13. 13.209 − 179 =
  14. 14.303 − 295 =
  15. 15.85 − 74 =
  16. 16.1013 − 993 =
  17. 17.205 − 178 =
  18. 18.1002 − 994 =
  19. 19.85 − 73 =
  20. 20.227 − 198 =
  21. 21.54 − 30 =
  22. 22.503 − 493 =
  23. 23.312 − 286 =
  24. 24.114 − 80 =
  25. 25.106 − 79 =
  26. 26.93 − 62 =
  27. 27.1008 − 987 =
  28. 28.1008 − 976 =
  29. 29.224 − 177 =
  30. 30.1018 − 993 =
  31. 31.230 − 194 =
  32. 32.318 − 298 =
  33. 33.305 − 293 =
  34. 34.89 − 69 =
  35. 35.216 − 176 =
  36. 36.523 − 498 =
  37. 37.528 − 479 =
  38. 38.510 − 496 =
  39. 39.208 − 183 =
  40. 40.503 − 483 =

Answer key

  1. 28
  2. 22
  3. 26
  4. 39
  5. 33
  6. 44
  7. 33
  8. 13
  9. 43
  10. 13
  11. 11
  12. 25
  13. 30
  14. 8
  15. 11
  16. 20
  17. 27
  18. 8
  19. 12
  20. 29
  21. 24
  22. 10
  23. 26
  24. 34
  25. 27
  26. 31
  27. 21
  28. 32
  29. 47
  30. 25
  31. 36
  32. 20
  33. 12
  34. 20
  35. 40
  36. 25
  37. 49
  38. 14
  39. 25
  40. 20

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