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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 692 · 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. 1.216 − 177 =
  2. 2.110 − 76 =
  3. 3.217 − 198 =
  4. 4.202 − 183 =
  5. 5.108 − 86 =
  6. 6.105 − 60 =
  7. 7.319 − 298 =
  8. 8.219 − 196 =
  9. 9.213 − 181 =
  10. 10.88 − 62 =
  11. 11.1011 − 997 =
  12. 12.302 − 276 =
  13. 13.1002 − 996 =
  14. 14.74 − 34 =
  15. 15.228 − 188 =
  16. 16.68 − 38 =
  17. 17.503 − 495 =
  18. 18.107 − 78 =
  19. 19.319 − 279 =
  20. 20.105 − 80 =
  21. 21.87 − 76 =
  22. 22.203 − 197 =
  23. 23.51 − 39 =
  24. 24.1023 − 998 =
  25. 25.308 − 281 =
  26. 26.60 − 42 =
  27. 27.530 − 480 =
  28. 28.64 − 37 =
  29. 29.228 − 191 =
  30. 30.84 − 62 =
  31. 31.317 − 278 =
  32. 32.124 − 90 =
  33. 33.71 − 35 =
  34. 34.83 − 62 =
  35. 35.1011 − 981 =
  36. 36.109 − 68 =
  37. 37.1029 − 975 =
  38. 38.92 − 74 =
  39. 39.203 − 180 =
  40. 40.1014 − 986 =

Answer key

  1. 39
  2. 34
  3. 19
  4. 19
  5. 22
  6. 45
  7. 21
  8. 23
  9. 32
  10. 26
  11. 14
  12. 26
  13. 6
  14. 40
  15. 40
  16. 30
  17. 8
  18. 29
  19. 40
  20. 25
  21. 11
  22. 6
  23. 12
  24. 25
  25. 27
  26. 18
  27. 50
  28. 27
  29. 37
  30. 22
  31. 39
  32. 34
  33. 36
  34. 21
  35. 30
  36. 41
  37. 54
  38. 18
  39. 23
  40. 28

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