← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 488 · 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. 1.1012 − 988 =
  2. 2.515 − 480 =
  3. 3.53 − 48 =
  4. 4.105 − 76 =
  5. 5.213 − 191 =
  6. 6.307 − 293 =
  7. 7.521 − 497 =
  8. 8.510 − 483 =
  9. 9.211 − 183 =
  10. 10.57 − 28 =
  11. 11.96 − 74 =
  12. 12.100 − 68 =
  13. 13.112 − 97 =
  14. 14.1025 − 976 =
  15. 15.1015 − 977 =
  16. 16.519 − 485 =
  17. 17.516 − 497 =
  18. 18.90 − 76 =
  19. 19.327 − 298 =
  20. 20.69 − 31 =
  21. 21.79 − 33 =
  22. 22.209 − 194 =
  23. 23.315 − 290 =
  24. 24.220 − 187 =
  25. 25.209 − 183 =
  26. 26.1021 − 995 =
  27. 27.1030 − 995 =
  28. 28.127 − 81 =
  29. 29.99 − 74 =
  30. 30.113 − 97 =
  31. 31.79 − 27 =
  32. 32.108 − 61 =
  33. 33.102 − 63 =
  34. 34.96 − 78 =
  35. 35.207 − 194 =
  36. 36.92 − 72 =
  37. 37.111 − 96 =
  38. 38.508 − 497 =
  39. 39.76 − 46 =
  40. 40.77 − 33 =

Answer key

  1. 24
  2. 35
  3. 5
  4. 29
  5. 22
  6. 14
  7. 24
  8. 27
  9. 28
  10. 29
  11. 22
  12. 32
  13. 15
  14. 49
  15. 38
  16. 34
  17. 19
  18. 14
  19. 29
  20. 38
  21. 46
  22. 15
  23. 25
  24. 33
  25. 26
  26. 26
  27. 35
  28. 46
  29. 25
  30. 16
  31. 52
  32. 47
  33. 39
  34. 18
  35. 13
  36. 20
  37. 15
  38. 11
  39. 30
  40. 44

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