← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 33 · 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. 1.51 − 39 =
  2. 2.327 − 298 =
  3. 3.109 − 96 =
  4. 4.321 − 297 =
  5. 5.310 − 288 =
  6. 6.107 − 98 =
  7. 7.125 − 92 =
  8. 8.98 − 59 =
  9. 9.95 − 78 =
  10. 10.1009 − 981 =
  11. 11.67 − 31 =
  12. 12.130 − 85 =
  13. 13.503 − 486 =
  14. 14.307 − 295 =
  15. 15.95 − 77 =
  16. 16.312 − 290 =
  17. 17.58 − 30 =
  18. 18.107 − 78 =
  19. 19.77 − 25 =
  20. 20.109 − 83 =
  21. 21.85 − 56 =
  22. 22.82 − 65 =
  23. 23.213 − 182 =
  24. 24.211 − 185 =
  25. 25.70 − 48 =
  26. 26.121 − 85 =
  27. 27.518 − 476 =
  28. 28.1027 − 979 =
  29. 29.221 − 194 =
  30. 30.201 − 180 =
  31. 31.313 − 297 =
  32. 32.93 − 73 =
  33. 33.104 − 61 =
  34. 34.224 − 194 =
  35. 35.228 − 178 =
  36. 36.75 − 26 =
  37. 37.66 − 27 =
  38. 38.305 − 292 =
  39. 39.210 − 177 =
  40. 40.67 − 46 =

Answer key

  1. 12
  2. 29
  3. 13
  4. 24
  5. 22
  6. 9
  7. 33
  8. 39
  9. 17
  10. 28
  11. 36
  12. 45
  13. 17
  14. 12
  15. 18
  16. 22
  17. 28
  18. 29
  19. 52
  20. 26
  21. 29
  22. 17
  23. 31
  24. 26
  25. 22
  26. 36
  27. 42
  28. 48
  29. 27
  30. 21
  31. 16
  32. 20
  33. 43
  34. 30
  35. 50
  36. 49
  37. 39
  38. 13
  39. 33
  40. 21

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