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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 676 · 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. 1.111 − 77 =
  2. 2.1003 − 984 =
  3. 3.72 − 45 =
  4. 4.63 − 33 =
  5. 5.225 − 191 =
  6. 6.521 − 497 =
  7. 7.514 − 493 =
  8. 8.503 − 491 =
  9. 9.312 − 285 =
  10. 10.56 − 47 =
  11. 11.121 − 94 =
  12. 12.203 − 194 =
  13. 13.86 − 56 =
  14. 14.1017 − 978 =
  15. 15.320 − 281 =
  16. 16.73 − 34 =
  17. 17.102 − 75 =
  18. 18.94 − 70 =
  19. 19.1009 − 975 =
  20. 20.115 − 80 =
  21. 21.84 − 59 =
  22. 22.1029 − 975 =
  23. 23.64 − 41 =
  24. 24.105 − 94 =
  25. 25.123 − 76 =
  26. 26.214 − 183 =
  27. 27.1002 − 990 =
  28. 28.86 − 63 =
  29. 29.106 − 95 =
  30. 30.529 − 485 =
  31. 31.226 − 194 =
  32. 32.71 − 48 =
  33. 33.56 − 32 =
  34. 34.95 − 68 =
  35. 35.305 − 290 =
  36. 36.102 − 68 =
  37. 37.84 − 61 =
  38. 38.83 − 57 =
  39. 39.512 − 481 =
  40. 40.1007 − 984 =

Answer key

  1. 34
  2. 19
  3. 27
  4. 30
  5. 34
  6. 24
  7. 21
  8. 12
  9. 27
  10. 9
  11. 27
  12. 9
  13. 30
  14. 39
  15. 39
  16. 39
  17. 27
  18. 24
  19. 34
  20. 35
  21. 25
  22. 54
  23. 23
  24. 11
  25. 47
  26. 31
  27. 12
  28. 23
  29. 11
  30. 44
  31. 32
  32. 23
  33. 24
  34. 27
  35. 15
  36. 34
  37. 23
  38. 26
  39. 31
  40. 23

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