← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 124 · 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. 1.108 − 89 =
  2. 2.507 − 475 =
  3. 3.105 − 63 =
  4. 4.104 − 69 =
  5. 5.123 − 94 =
  6. 6.119 − 76 =
  7. 7.70 − 46 =
  8. 8.1018 − 990 =
  9. 9.119 − 94 =
  10. 10.101 − 63 =
  11. 11.230 − 191 =
  12. 12.53 − 47 =
  13. 13.530 − 497 =
  14. 14.51 − 44 =
  15. 15.112 − 76 =
  16. 16.202 − 185 =
  17. 17.303 − 286 =
  18. 18.511 − 497 =
  19. 19.110 − 77 =
  20. 20.1003 − 975 =
  21. 21.105 − 97 =
  22. 22.109 − 89 =
  23. 23.1022 − 994 =
  24. 24.127 − 85 =
  25. 25.102 − 75 =
  26. 26.86 − 57 =
  27. 27.503 − 481 =
  28. 28.64 − 47 =
  29. 29.307 − 294 =
  30. 30.105 − 81 =
  31. 31.230 − 194 =
  32. 32.225 − 187 =
  33. 33.104 − 56 =
  34. 34.109 − 90 =
  35. 35.329 − 294 =
  36. 36.1020 − 994 =
  37. 37.204 − 194 =
  38. 38.324 − 298 =
  39. 39.521 − 486 =
  40. 40.102 − 95 =

Answer key

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

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