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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 850 · 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. 1.83 − 72 =
  2. 2.110 − 77 =
  3. 3.501 − 496 =
  4. 4.127 − 80 =
  5. 5.1014 − 980 =
  6. 6.115 − 76 =
  7. 7.75 − 34 =
  8. 8.1004 − 992 =
  9. 9.109 − 68 =
  10. 10.206 − 187 =
  11. 11.330 − 298 =
  12. 12.205 − 192 =
  13. 13.56 − 35 =
  14. 14.517 − 498 =
  15. 15.59 − 34 =
  16. 16.51 − 44 =
  17. 17.1003 − 989 =
  18. 18.1009 − 980 =
  19. 19.505 − 496 =
  20. 20.109 − 97 =
  21. 21.89 − 60 =
  22. 22.509 − 490 =
  23. 23.1024 − 987 =
  24. 24.93 − 69 =
  25. 25.308 − 277 =
  26. 26.120 − 92 =
  27. 27.207 − 194 =
  28. 28.109 − 86 =
  29. 29.103 − 86 =
  30. 30.501 − 476 =
  31. 31.116 − 89 =
  32. 32.203 − 197 =
  33. 33.209 − 191 =
  34. 34.1009 − 998 =
  35. 35.1011 − 992 =
  36. 36.228 − 195 =
  37. 37.102 − 73 =
  38. 38.1017 − 995 =
  39. 39.212 − 195 =
  40. 40.90 − 70 =

Answer key

  1. 11
  2. 33
  3. 5
  4. 47
  5. 34
  6. 39
  7. 41
  8. 12
  9. 41
  10. 19
  11. 32
  12. 13
  13. 21
  14. 19
  15. 25
  16. 7
  17. 14
  18. 29
  19. 9
  20. 12
  21. 29
  22. 19
  23. 37
  24. 24
  25. 31
  26. 28
  27. 13
  28. 23
  29. 17
  30. 25
  31. 27
  32. 6
  33. 18
  34. 11
  35. 19
  36. 33
  37. 29
  38. 22
  39. 17
  40. 20

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