← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 866 · 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. 1.94 − 56 =
  2. 2.52 − 42 =
  3. 3.215 − 179 =
  4. 4.85 − 62 =
  5. 5.65 − 46 =
  6. 6.81 − 55 =
  7. 7.523 − 485 =
  8. 8.90 − 71 =
  9. 9.524 − 488 =
  10. 10.70 − 46 =
  11. 11.93 − 59 =
  12. 12.1005 − 997 =
  13. 13.506 − 482 =
  14. 14.91 − 70 =
  15. 15.82 − 75 =
  16. 16.85 − 58 =
  17. 17.73 − 38 =
  18. 18.113 − 78 =
  19. 19.66 − 25 =
  20. 20.1026 − 992 =
  21. 21.501 − 494 =
  22. 22.1014 − 979 =
  23. 23.302 − 295 =
  24. 24.203 − 194 =
  25. 25.1030 − 996 =
  26. 26.505 − 484 =
  27. 27.522 − 489 =
  28. 28.504 − 498 =
  29. 29.109 − 60 =
  30. 30.82 − 74 =
  31. 31.51 − 42 =
  32. 32.105 − 72 =
  33. 33.521 − 480 =
  34. 34.82 − 78 =
  35. 35.1002 − 989 =
  36. 36.505 − 479 =
  37. 37.223 − 178 =
  38. 38.523 − 477 =
  39. 39.106 − 93 =
  40. 40.110 − 76 =

Answer key

  1. 38
  2. 10
  3. 36
  4. 23
  5. 19
  6. 26
  7. 38
  8. 19
  9. 36
  10. 24
  11. 34
  12. 8
  13. 24
  14. 21
  15. 7
  16. 27
  17. 35
  18. 35
  19. 41
  20. 34
  21. 7
  22. 35
  23. 7
  24. 9
  25. 34
  26. 21
  27. 33
  28. 6
  29. 49
  30. 8
  31. 9
  32. 33
  33. 41
  34. 4
  35. 13
  36. 26
  37. 45
  38. 46
  39. 13
  40. 34

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