← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 919 · 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. 1.209 − 186 =
  2. 2.329 − 284 =
  3. 3.218 − 183 =
  4. 4.65 − 46 =
  5. 5.523 − 475 =
  6. 6.1014 − 985 =
  7. 7.308 − 285 =
  8. 8.60 − 34 =
  9. 9.312 − 289 =
  10. 10.77 − 26 =
  11. 11.116 − 95 =
  12. 12.303 − 297 =
  13. 13.303 − 287 =
  14. 14.513 − 495 =
  15. 15.516 − 485 =
  16. 16.313 − 287 =
  17. 17.216 − 192 =
  18. 18.81 − 77 =
  19. 19.201 − 180 =
  20. 20.83 − 73 =
  21. 21.226 − 176 =
  22. 22.512 − 492 =
  23. 23.520 − 492 =
  24. 24.90 − 56 =
  25. 25.506 − 493 =
  26. 26.517 − 498 =
  27. 27.115 − 87 =
  28. 28.75 − 34 =
  29. 29.516 − 497 =
  30. 30.325 − 282 =
  31. 31.55 − 25 =
  32. 32.107 − 76 =
  33. 33.214 − 194 =
  34. 34.58 − 41 =
  35. 35.327 − 297 =
  36. 36.329 − 281 =
  37. 37.218 − 194 =
  38. 38.1002 − 991 =
  39. 39.302 − 287 =
  40. 40.330 − 278 =

Answer key

  1. 23
  2. 45
  3. 35
  4. 19
  5. 48
  6. 29
  7. 23
  8. 26
  9. 23
  10. 51
  11. 21
  12. 6
  13. 16
  14. 18
  15. 31
  16. 26
  17. 24
  18. 4
  19. 21
  20. 10
  21. 50
  22. 20
  23. 28
  24. 34
  25. 13
  26. 19
  27. 28
  28. 41
  29. 19
  30. 43
  31. 30
  32. 31
  33. 20
  34. 17
  35. 30
  36. 48
  37. 24
  38. 11
  39. 15
  40. 52

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