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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 995 · 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. 1.1006 − 992 =
  2. 2.205 − 180 =
  3. 3.509 − 478 =
  4. 4.208 − 197 =
  5. 5.59 − 33 =
  6. 6.306 − 283 =
  7. 7.507 − 498 =
  8. 8.1007 − 996 =
  9. 9.209 − 189 =
  10. 10.214 − 196 =
  11. 11.82 − 56 =
  12. 12.201 − 175 =
  13. 13.512 − 479 =
  14. 14.113 − 84 =
  15. 15.94 − 58 =
  16. 16.330 − 290 =
  17. 17.64 − 47 =
  18. 18.519 − 489 =
  19. 19.313 − 284 =
  20. 20.93 − 74 =
  21. 21.101 − 77 =
  22. 22.1020 − 986 =
  23. 23.53 − 34 =
  24. 24.126 − 77 =
  25. 25.114 − 98 =
  26. 26.322 − 281 =
  27. 27.325 − 277 =
  28. 28.97 − 73 =
  29. 29.220 − 195 =
  30. 30.328 − 279 =
  31. 31.1001 − 983 =
  32. 32.125 − 79 =
  33. 33.508 − 483 =
  34. 34.507 − 485 =
  35. 35.521 − 479 =
  36. 36.1008 − 987 =
  37. 37.304 − 296 =
  38. 38.54 − 32 =
  39. 39.506 − 489 =
  40. 40.118 − 94 =

Answer key

  1. 14
  2. 25
  3. 31
  4. 11
  5. 26
  6. 23
  7. 9
  8. 11
  9. 20
  10. 18
  11. 26
  12. 26
  13. 33
  14. 29
  15. 36
  16. 40
  17. 17
  18. 30
  19. 29
  20. 19
  21. 24
  22. 34
  23. 19
  24. 49
  25. 16
  26. 41
  27. 48
  28. 24
  29. 25
  30. 49
  31. 18
  32. 46
  33. 25
  34. 22
  35. 42
  36. 21
  37. 8
  38. 22
  39. 17
  40. 24

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