← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 231 · 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 − 283 =
  2. 2.221 − 179 =
  3. 3.103 − 92 =
  4. 4.307 − 298 =
  5. 5.125 − 86 =
  6. 6.204 − 184 =
  7. 7.1024 − 984 =
  8. 8.53 − 43 =
  9. 9.68 − 32 =
  10. 10.86 − 73 =
  11. 11.506 − 498 =
  12. 12.216 − 176 =
  13. 13.53 − 47 =
  14. 14.87 − 60 =
  15. 15.98 − 77 =
  16. 16.1001 − 976 =
  17. 17.503 − 497 =
  18. 18.69 − 25 =
  19. 19.216 − 190 =
  20. 20.221 − 196 =
  21. 21.501 − 483 =
  22. 22.77 − 33 =
  23. 23.104 − 89 =
  24. 24.526 − 476 =
  25. 25.1027 − 976 =
  26. 26.324 − 275 =
  27. 27.110 − 75 =
  28. 28.102 − 65 =
  29. 29.104 − 70 =
  30. 30.513 − 492 =
  31. 31.328 − 291 =
  32. 32.228 − 190 =
  33. 33.101 − 77 =
  34. 34.326 − 279 =
  35. 35.102 − 97 =
  36. 36.524 − 488 =
  37. 37.110 − 63 =
  38. 38.108 − 82 =
  39. 39.105 − 57 =
  40. 40.128 − 96 =

Answer key

  1. 33
  2. 42
  3. 11
  4. 9
  5. 39
  6. 20
  7. 40
  8. 10
  9. 36
  10. 13
  11. 8
  12. 40
  13. 6
  14. 27
  15. 21
  16. 25
  17. 6
  18. 44
  19. 26
  20. 25
  21. 18
  22. 44
  23. 15
  24. 50
  25. 51
  26. 49
  27. 35
  28. 37
  29. 34
  30. 21
  31. 37
  32. 38
  33. 24
  34. 47
  35. 5
  36. 36
  37. 47
  38. 26
  39. 48
  40. 32

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths