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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 800 · 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. 1.105 − 60 =
  2. 2.202 − 197 =
  3. 3.105 − 57 =
  4. 4.304 − 280 =
  5. 5.512 − 497 =
  6. 6.128 − 84 =
  7. 7.211 − 177 =
  8. 8.108 − 76 =
  9. 9.101 − 63 =
  10. 10.122 − 76 =
  11. 11.330 − 279 =
  12. 12.55 − 26 =
  13. 13.63 − 44 =
  14. 14.120 − 83 =
  15. 15.124 − 95 =
  16. 16.1019 − 984 =
  17. 17.302 − 280 =
  18. 18.510 − 494 =
  19. 19.123 − 78 =
  20. 20.1004 − 992 =
  21. 21.321 − 280 =
  22. 22.1015 − 991 =
  23. 23.508 − 498 =
  24. 24.101 − 78 =
  25. 25.84 − 60 =
  26. 26.305 − 286 =
  27. 27.125 − 77 =
  28. 28.1014 − 996 =
  29. 29.306 − 290 =
  30. 30.1007 − 976 =
  31. 31.1014 − 994 =
  32. 32.1022 − 998 =
  33. 33.79 − 26 =
  34. 34.318 − 294 =
  35. 35.117 − 95 =
  36. 36.119 − 81 =
  37. 37.104 − 80 =
  38. 38.117 − 85 =
  39. 39.97 − 57 =
  40. 40.221 − 176 =

Answer key

  1. 45
  2. 5
  3. 48
  4. 24
  5. 15
  6. 44
  7. 34
  8. 32
  9. 38
  10. 46
  11. 51
  12. 29
  13. 19
  14. 37
  15. 29
  16. 35
  17. 22
  18. 16
  19. 45
  20. 12
  21. 41
  22. 24
  23. 10
  24. 23
  25. 24
  26. 19
  27. 48
  28. 18
  29. 16
  30. 31
  31. 20
  32. 24
  33. 53
  34. 24
  35. 22
  36. 38
  37. 24
  38. 32
  39. 40
  40. 45

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