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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 392 · 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. 1.109 − 70 =
  2. 2.83 − 75 =
  3. 3.51 − 37 =
  4. 4.329 − 295 =
  5. 5.85 − 73 =
  6. 6.1008 − 998 =
  7. 7.1023 − 979 =
  8. 8.108 − 76 =
  9. 9.101 − 61 =
  10. 10.229 − 175 =
  11. 11.229 − 176 =
  12. 12.98 − 73 =
  13. 13.1022 − 996 =
  14. 14.55 − 30 =
  15. 15.65 − 42 =
  16. 16.68 − 47 =
  17. 17.306 − 277 =
  18. 18.229 − 192 =
  19. 19.87 − 67 =
  20. 20.108 − 81 =
  21. 21.63 − 41 =
  22. 22.64 − 35 =
  23. 23.513 − 476 =
  24. 24.104 − 92 =
  25. 25.56 − 42 =
  26. 26.102 − 92 =
  27. 27.128 − 80 =
  28. 28.55 − 37 =
  29. 29.101 − 59 =
  30. 30.308 − 289 =
  31. 31.104 − 74 =
  32. 32.507 − 490 =
  33. 33.525 − 479 =
  34. 34.327 − 276 =
  35. 35.71 − 44 =
  36. 36.508 − 487 =
  37. 37.1011 − 988 =
  38. 38.70 − 42 =
  39. 39.507 − 485 =
  40. 40.519 − 496 =

Answer key

  1. 39
  2. 8
  3. 14
  4. 34
  5. 12
  6. 10
  7. 44
  8. 32
  9. 40
  10. 54
  11. 53
  12. 25
  13. 26
  14. 25
  15. 23
  16. 21
  17. 29
  18. 37
  19. 20
  20. 27
  21. 22
  22. 29
  23. 37
  24. 12
  25. 14
  26. 10
  27. 48
  28. 18
  29. 42
  30. 19
  31. 30
  32. 17
  33. 46
  34. 51
  35. 27
  36. 21
  37. 23
  38. 28
  39. 22
  40. 23

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