← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 767 · 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. 1.502 − 475 =
  2. 2.102 − 72 =
  3. 3.83 − 71 =
  4. 4.306 − 279 =
  5. 5.515 − 475 =
  6. 6.110 − 66 =
  7. 7.72 − 35 =
  8. 8.98 − 75 =
  9. 9.122 − 77 =
  10. 10.74 − 42 =
  11. 11.1007 − 998 =
  12. 12.107 − 87 =
  13. 13.107 − 79 =
  14. 14.65 − 41 =
  15. 15.95 − 68 =
  16. 16.88 − 56 =
  17. 17.121 − 80 =
  18. 18.513 − 489 =
  19. 19.1023 − 983 =
  20. 20.84 − 61 =
  21. 21.55 − 45 =
  22. 22.87 − 74 =
  23. 23.91 − 66 =
  24. 24.108 − 60 =
  25. 25.1003 − 978 =
  26. 26.524 − 490 =
  27. 27.211 − 184 =
  28. 28.1015 − 996 =
  29. 29.92 − 69 =
  30. 30.129 − 85 =
  31. 31.501 − 477 =
  32. 32.204 − 194 =
  33. 33.223 − 198 =
  34. 34.1015 − 984 =
  35. 35.105 − 89 =
  36. 36.86 − 56 =
  37. 37.56 − 43 =
  38. 38.51 − 34 =
  39. 39.1007 − 975 =
  40. 40.325 − 281 =

Answer key

  1. 27
  2. 30
  3. 12
  4. 27
  5. 40
  6. 44
  7. 37
  8. 23
  9. 45
  10. 32
  11. 9
  12. 20
  13. 28
  14. 24
  15. 27
  16. 32
  17. 41
  18. 24
  19. 40
  20. 23
  21. 10
  22. 13
  23. 25
  24. 48
  25. 25
  26. 34
  27. 27
  28. 19
  29. 23
  30. 44
  31. 24
  32. 10
  33. 25
  34. 31
  35. 16
  36. 30
  37. 13
  38. 17
  39. 32
  40. 44

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