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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 879 · 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. 1.106 − 59 =
  2. 2.103 − 96 =
  3. 3.106 − 62 =
  4. 4.66 − 43 =
  5. 5.517 − 498 =
  6. 6.1028 − 996 =
  7. 7.53 − 35 =
  8. 8.129 − 97 =
  9. 9.103 − 97 =
  10. 10.210 − 176 =
  11. 11.55 − 25 =
  12. 12.93 − 71 =
  13. 13.210 − 190 =
  14. 14.108 − 90 =
  15. 15.330 − 275 =
  16. 16.109 − 58 =
  17. 17.104 − 63 =
  18. 18.520 − 480 =
  19. 19.508 − 497 =
  20. 20.60 − 43 =
  21. 21.507 − 482 =
  22. 22.127 − 87 =
  23. 23.305 − 279 =
  24. 24.101 − 77 =
  25. 25.84 − 74 =
  26. 26.104 − 95 =
  27. 27.51 − 32 =
  28. 28.125 − 80 =
  29. 29.314 − 279 =
  30. 30.110 − 78 =
  31. 31.511 − 490 =
  32. 32.1016 − 992 =
  33. 33.106 − 71 =
  34. 34.306 − 296 =
  35. 35.59 − 29 =
  36. 36.92 − 68 =
  37. 37.117 − 86 =
  38. 38.93 − 74 =
  39. 39.202 − 188 =
  40. 40.206 − 194 =

Answer key

  1. 47
  2. 7
  3. 44
  4. 23
  5. 19
  6. 32
  7. 18
  8. 32
  9. 6
  10. 34
  11. 30
  12. 22
  13. 20
  14. 18
  15. 55
  16. 51
  17. 41
  18. 40
  19. 11
  20. 17
  21. 25
  22. 40
  23. 26
  24. 24
  25. 10
  26. 9
  27. 19
  28. 45
  29. 35
  30. 32
  31. 21
  32. 24
  33. 35
  34. 10
  35. 30
  36. 24
  37. 31
  38. 19
  39. 14
  40. 12

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