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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 967 · 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. 1.97 − 65 =
  2. 2.529 − 486 =
  3. 3.517 − 482 =
  4. 4.309 − 290 =
  5. 5.1017 − 982 =
  6. 6.301 − 295 =
  7. 7.84 − 64 =
  8. 8.81 − 55 =
  9. 9.216 − 190 =
  10. 10.310 − 295 =
  11. 11.81 − 70 =
  12. 12.111 − 97 =
  13. 13.313 − 295 =
  14. 14.222 − 194 =
  15. 15.1005 − 982 =
  16. 16.53 − 42 =
  17. 17.1021 − 989 =
  18. 18.1001 − 978 =
  19. 19.61 − 46 =
  20. 20.112 − 88 =
  21. 21.111 − 90 =
  22. 22.91 − 61 =
  23. 23.321 − 295 =
  24. 24.522 − 488 =
  25. 25.92 − 58 =
  26. 26.516 − 495 =
  27. 27.1014 − 995 =
  28. 28.230 − 198 =
  29. 29.106 − 59 =
  30. 30.130 − 95 =
  31. 31.51 − 42 =
  32. 32.76 − 40 =
  33. 33.116 − 83 =
  34. 34.1024 − 994 =
  35. 35.521 − 493 =
  36. 36.99 − 61 =
  37. 37.120 − 81 =
  38. 38.324 − 292 =
  39. 39.522 − 494 =
  40. 40.108 − 98 =

Answer key

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

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