← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 649 · 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. 1.501 − 478 =
  2. 2.512 − 487 =
  3. 3.204 − 195 =
  4. 4.230 − 197 =
  5. 5.1006 − 979 =
  6. 6.302 − 296 =
  7. 7.230 − 190 =
  8. 8.204 − 180 =
  9. 9.108 − 68 =
  10. 10.324 − 295 =
  11. 11.61 − 46 =
  12. 12.107 − 62 =
  13. 13.1025 − 990 =
  14. 14.210 − 197 =
  15. 15.325 − 298 =
  16. 16.204 − 192 =
  17. 17.1025 − 975 =
  18. 18.519 − 477 =
  19. 19.325 − 285 =
  20. 20.90 − 62 =
  21. 21.51 − 38 =
  22. 22.1005 − 997 =
  23. 23.73 − 39 =
  24. 24.58 − 46 =
  25. 25.1007 − 995 =
  26. 26.1014 − 988 =
  27. 27.501 − 482 =
  28. 28.119 − 79 =
  29. 29.203 − 191 =
  30. 30.103 − 67 =
  31. 31.518 − 482 =
  32. 32.69 − 37 =
  33. 33.203 − 179 =
  34. 34.55 − 30 =
  35. 35.86 − 62 =
  36. 36.503 − 489 =
  37. 37.109 − 61 =
  38. 38.1028 − 985 =
  39. 39.55 − 46 =
  40. 40.511 − 496 =

Answer key

  1. 23
  2. 25
  3. 9
  4. 33
  5. 27
  6. 6
  7. 40
  8. 24
  9. 40
  10. 29
  11. 15
  12. 45
  13. 35
  14. 13
  15. 27
  16. 12
  17. 50
  18. 42
  19. 40
  20. 28
  21. 13
  22. 8
  23. 34
  24. 12
  25. 12
  26. 26
  27. 19
  28. 40
  29. 12
  30. 36
  31. 36
  32. 32
  33. 24
  34. 25
  35. 24
  36. 14
  37. 48
  38. 43
  39. 9
  40. 15

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