← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 228 · 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. 1.87 − 70 =
  2. 2.1028 − 992 =
  3. 3.225 − 186 =
  4. 4.519 − 494 =
  5. 5.79 − 37 =
  6. 6.108 − 95 =
  7. 7.76 − 38 =
  8. 8.507 − 498 =
  9. 9.87 − 59 =
  10. 10.1004 − 991 =
  11. 11.201 − 179 =
  12. 12.1003 − 988 =
  13. 13.104 − 85 =
  14. 14.93 − 72 =
  15. 15.60 − 29 =
  16. 16.89 − 71 =
  17. 17.92 − 62 =
  18. 18.225 − 191 =
  19. 19.1006 − 977 =
  20. 20.57 − 38 =
  21. 21.104 − 76 =
  22. 22.98 − 72 =
  23. 23.104 − 78 =
  24. 24.106 − 78 =
  25. 25.86 − 71 =
  26. 26.223 − 179 =
  27. 27.516 − 495 =
  28. 28.207 − 187 =
  29. 29.94 − 72 =
  30. 30.508 − 484 =
  31. 31.81 − 58 =
  32. 32.306 − 293 =
  33. 33.85 − 63 =
  34. 34.1011 − 982 =
  35. 35.508 − 487 =
  36. 36.101 − 63 =
  37. 37.509 − 475 =
  38. 38.215 − 185 =
  39. 39.105 − 72 =
  40. 40.215 − 193 =

Answer key

  1. 17
  2. 36
  3. 39
  4. 25
  5. 42
  6. 13
  7. 38
  8. 9
  9. 28
  10. 13
  11. 22
  12. 15
  13. 19
  14. 21
  15. 31
  16. 18
  17. 30
  18. 34
  19. 29
  20. 19
  21. 28
  22. 26
  23. 26
  24. 28
  25. 15
  26. 44
  27. 21
  28. 20
  29. 22
  30. 24
  31. 23
  32. 13
  33. 22
  34. 29
  35. 21
  36. 38
  37. 34
  38. 30
  39. 33
  40. 22

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