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Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 926 · 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. 1.316 − 292 =
  2. 2.61 − 47 =
  3. 3.130 − 95 =
  4. 4.506 − 485 =
  5. 5.223 − 188 =
  6. 6.530 − 488 =
  7. 7.51 − 48 =
  8. 8.1020 − 987 =
  9. 9.1025 − 991 =
  10. 10.102 − 85 =
  11. 11.58 − 30 =
  12. 12.90 − 72 =
  13. 13.1027 − 993 =
  14. 14.52 − 47 =
  15. 15.102 − 78 =
  16. 16.86 − 68 =
  17. 17.102 − 79 =
  18. 18.106 − 74 =
  19. 19.101 − 71 =
  20. 20.1001 − 980 =
  21. 21.211 − 197 =
  22. 22.89 − 62 =
  23. 23.110 − 75 =
  24. 24.69 − 48 =
  25. 25.227 − 178 =
  26. 26.218 − 196 =
  27. 27.213 − 186 =
  28. 28.1008 − 991 =
  29. 29.521 − 477 =
  30. 30.207 − 185 =
  31. 31.529 − 475 =
  32. 32.213 − 195 =
  33. 33.67 − 29 =
  34. 34.207 − 181 =
  35. 35.213 − 198 =
  36. 36.103 − 87 =
  37. 37.107 − 72 =
  38. 38.325 − 283 =
  39. 39.219 − 197 =
  40. 40.112 − 88 =

Answer key

  1. 24
  2. 14
  3. 35
  4. 21
  5. 35
  6. 42
  7. 3
  8. 33
  9. 34
  10. 17
  11. 28
  12. 18
  13. 34
  14. 5
  15. 24
  16. 18
  17. 23
  18. 32
  19. 30
  20. 21
  21. 14
  22. 27
  23. 35
  24. 21
  25. 49
  26. 22
  27. 27
  28. 17
  29. 44
  30. 22
  31. 54
  32. 18
  33. 38
  34. 26
  35. 15
  36. 16
  37. 35
  38. 42
  39. 22
  40. 24

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