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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 608 · 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. 1.526 − 479 =
  2. 2.204 − 184 =
  3. 3.102 − 96 =
  4. 4.219 − 187 =
  5. 5.308 − 295 =
  6. 6.103 − 55 =
  7. 7.59 − 44 =
  8. 8.88 − 63 =
  9. 9.312 − 288 =
  10. 10.111 − 84 =
  11. 11.60 − 38 =
  12. 12.505 − 488 =
  13. 13.303 − 294 =
  14. 14.121 − 94 =
  15. 15.117 − 80 =
  16. 16.102 − 75 =
  17. 17.100 − 74 =
  18. 18.112 − 98 =
  19. 19.515 − 498 =
  20. 20.310 − 296 =
  21. 21.516 − 479 =
  22. 22.1008 − 995 =
  23. 23.125 − 98 =
  24. 24.312 − 276 =
  25. 25.1023 − 978 =
  26. 26.512 − 483 =
  27. 27.1014 − 975 =
  28. 28.303 − 278 =
  29. 29.111 − 90 =
  30. 30.303 − 280 =
  31. 31.1012 − 992 =
  32. 32.512 − 491 =
  33. 33.324 − 295 =
  34. 34.520 − 494 =
  35. 35.508 − 485 =
  36. 36.323 − 297 =
  37. 37.83 − 68 =
  38. 38.207 − 178 =
  39. 39.1026 − 989 =
  40. 40.62 − 28 =

Answer key

  1. 47
  2. 20
  3. 6
  4. 32
  5. 13
  6. 48
  7. 15
  8. 25
  9. 24
  10. 27
  11. 22
  12. 17
  13. 9
  14. 27
  15. 37
  16. 27
  17. 26
  18. 14
  19. 17
  20. 14
  21. 37
  22. 13
  23. 27
  24. 36
  25. 45
  26. 29
  27. 39
  28. 25
  29. 21
  30. 23
  31. 20
  32. 21
  33. 29
  34. 26
  35. 23
  36. 26
  37. 15
  38. 29
  39. 37
  40. 34

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