← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 185 · 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. 1.65 − 43 =
  2. 2.324 − 298 =
  3. 3.228 − 191 =
  4. 4.90 − 56 =
  5. 5.526 − 489 =
  6. 6.80 − 35 =
  7. 7.520 − 480 =
  8. 8.70 − 26 =
  9. 9.502 − 481 =
  10. 10.86 − 77 =
  11. 11.124 − 83 =
  12. 12.54 − 48 =
  13. 13.76 − 46 =
  14. 14.519 − 478 =
  15. 15.1030 − 997 =
  16. 16.1006 − 984 =
  17. 17.104 − 72 =
  18. 18.107 − 76 =
  19. 19.79 − 36 =
  20. 20.1006 − 979 =
  21. 21.56 − 47 =
  22. 22.221 − 195 =
  23. 23.82 − 61 =
  24. 24.103 − 84 =
  25. 25.1007 − 977 =
  26. 26.501 − 479 =
  27. 27.122 − 90 =
  28. 28.228 − 182 =
  29. 29.522 − 490 =
  30. 30.120 − 75 =
  31. 31.95 − 72 =
  32. 32.1027 − 979 =
  33. 33.302 − 291 =
  34. 34.97 − 61 =
  35. 35.219 − 192 =
  36. 36.103 − 71 =
  37. 37.95 − 78 =
  38. 38.1030 − 976 =
  39. 39.310 − 291 =
  40. 40.103 − 76 =

Answer key

  1. 22
  2. 26
  3. 37
  4. 34
  5. 37
  6. 45
  7. 40
  8. 44
  9. 21
  10. 9
  11. 41
  12. 6
  13. 30
  14. 41
  15. 33
  16. 22
  17. 32
  18. 31
  19. 43
  20. 27
  21. 9
  22. 26
  23. 21
  24. 19
  25. 30
  26. 22
  27. 32
  28. 46
  29. 32
  30. 45
  31. 23
  32. 48
  33. 11
  34. 36
  35. 27
  36. 32
  37. 17
  38. 54
  39. 19
  40. 27

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