← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 965 · 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. 1.1006 − 993 =
  2. 2.314 − 285 =
  3. 3.70 − 45 =
  4. 4.66 − 25 =
  5. 5.1017 − 993 =
  6. 6.517 − 494 =
  7. 7.225 − 179 =
  8. 8.530 − 485 =
  9. 9.316 − 284 =
  10. 10.312 − 278 =
  11. 11.76 − 25 =
  12. 12.505 − 498 =
  13. 13.91 − 77 =
  14. 14.1021 − 984 =
  15. 15.513 − 480 =
  16. 16.124 − 79 =
  17. 17.125 − 95 =
  18. 18.1008 − 994 =
  19. 19.317 − 292 =
  20. 20.109 − 79 =
  21. 21.1009 − 987 =
  22. 22.202 − 180 =
  23. 23.203 − 182 =
  24. 24.126 − 78 =
  25. 25.99 − 78 =
  26. 26.1015 − 995 =
  27. 27.101 − 71 =
  28. 28.221 − 191 =
  29. 29.1004 − 988 =
  30. 30.518 − 489 =
  31. 31.54 − 33 =
  32. 32.305 − 278 =
  33. 33.301 − 294 =
  34. 34.510 − 497 =
  35. 35.321 − 278 =
  36. 36.502 − 494 =
  37. 37.101 − 74 =
  38. 38.1008 − 991 =
  39. 39.69 − 34 =
  40. 40.89 − 67 =

Answer key

  1. 13
  2. 29
  3. 25
  4. 41
  5. 24
  6. 23
  7. 46
  8. 45
  9. 32
  10. 34
  11. 51
  12. 7
  13. 14
  14. 37
  15. 33
  16. 45
  17. 30
  18. 14
  19. 25
  20. 30
  21. 22
  22. 22
  23. 21
  24. 48
  25. 21
  26. 20
  27. 30
  28. 30
  29. 16
  30. 29
  31. 21
  32. 27
  33. 7
  34. 13
  35. 43
  36. 8
  37. 27
  38. 17
  39. 35
  40. 22

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