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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 344 · 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. 1.104 − 59 =
  2. 2.109 − 95 =
  3. 3.110 − 74 =
  4. 4.326 − 287 =
  5. 5.1028 − 976 =
  6. 6.99 − 61 =
  7. 7.522 − 491 =
  8. 8.112 − 75 =
  9. 9.108 − 75 =
  10. 10.203 − 194 =
  11. 11.104 − 61 =
  12. 12.102 − 92 =
  13. 13.1004 − 982 =
  14. 14.224 − 177 =
  15. 15.79 − 35 =
  16. 16.522 − 479 =
  17. 17.1014 − 988 =
  18. 18.79 − 25 =
  19. 19.1011 − 988 =
  20. 20.102 − 58 =
  21. 21.513 − 476 =
  22. 22.318 − 294 =
  23. 23.61 − 34 =
  24. 24.210 − 178 =
  25. 25.518 − 498 =
  26. 26.127 − 83 =
  27. 27.320 − 293 =
  28. 28.218 − 188 =
  29. 29.1024 − 988 =
  30. 30.202 − 182 =
  31. 31.102 − 71 =
  32. 32.503 − 483 =
  33. 33.75 − 46 =
  34. 34.206 − 183 =
  35. 35.1007 − 983 =
  36. 36.103 − 76 =
  37. 37.99 − 74 =
  38. 38.55 − 27 =
  39. 39.1007 − 980 =
  40. 40.110 − 70 =

Answer key

  1. 45
  2. 14
  3. 36
  4. 39
  5. 52
  6. 38
  7. 31
  8. 37
  9. 33
  10. 9
  11. 43
  12. 10
  13. 22
  14. 47
  15. 44
  16. 43
  17. 26
  18. 54
  19. 23
  20. 44
  21. 37
  22. 24
  23. 27
  24. 32
  25. 20
  26. 44
  27. 27
  28. 30
  29. 36
  30. 20
  31. 31
  32. 20
  33. 29
  34. 23
  35. 24
  36. 27
  37. 25
  38. 28
  39. 27
  40. 40

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