← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 936 · 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. 1.102 − 69 =
  2. 2.96 − 66 =
  3. 3.81 − 65 =
  4. 4.308 − 282 =
  5. 5.502 − 492 =
  6. 6.85 − 63 =
  7. 7.81 − 72 =
  8. 8.501 − 484 =
  9. 9.66 − 41 =
  10. 10.76 − 31 =
  11. 11.205 − 192 =
  12. 12.78 − 48 =
  13. 13.67 − 28 =
  14. 14.95 − 76 =
  15. 15.212 − 178 =
  16. 16.1012 − 992 =
  17. 17.89 − 64 =
  18. 18.318 − 281 =
  19. 19.105 − 75 =
  20. 20.216 − 183 =
  21. 21.109 − 82 =
  22. 22.108 − 84 =
  23. 23.53 − 28 =
  24. 24.84 − 71 =
  25. 25.59 − 30 =
  26. 26.520 − 488 =
  27. 27.1001 − 977 =
  28. 28.526 − 497 =
  29. 29.501 − 481 =
  30. 30.319 − 288 =
  31. 31.84 − 78 =
  32. 32.88 − 70 =
  33. 33.100 − 73 =
  34. 34.53 − 37 =
  35. 35.60 − 26 =
  36. 36.118 − 75 =
  37. 37.201 − 194 =
  38. 38.307 − 295 =
  39. 39.74 − 31 =
  40. 40.327 − 295 =

Answer key

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

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