← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 47 · 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. 1.82 − 75 =
  2. 2.311 − 281 =
  3. 3.125 − 77 =
  4. 4.123 − 82 =
  5. 5.514 − 482 =
  6. 6.1015 − 983 =
  7. 7.307 − 293 =
  8. 8.122 − 76 =
  9. 9.515 − 484 =
  10. 10.92 − 65 =
  11. 11.225 − 176 =
  12. 12.122 − 85 =
  13. 13.104 − 75 =
  14. 14.123 − 98 =
  15. 15.124 − 81 =
  16. 16.205 − 188 =
  17. 17.516 − 491 =
  18. 18.76 − 37 =
  19. 19.1027 − 998 =
  20. 20.110 − 76 =
  21. 21.209 − 191 =
  22. 22.1026 − 997 =
  23. 23.322 − 287 =
  24. 24.525 − 482 =
  25. 25.227 − 186 =
  26. 26.518 − 486 =
  27. 27.1001 − 977 =
  28. 28.216 − 176 =
  29. 29.508 − 484 =
  30. 30.75 − 33 =
  31. 31.53 − 43 =
  32. 32.529 − 481 =
  33. 33.101 − 72 =
  34. 34.206 − 195 =
  35. 35.106 − 92 =
  36. 36.130 − 84 =
  37. 37.128 − 94 =
  38. 38.71 − 45 =
  39. 39.58 − 28 =
  40. 40.106 − 80 =

Answer key

  1. 7
  2. 30
  3. 48
  4. 41
  5. 32
  6. 32
  7. 14
  8. 46
  9. 31
  10. 27
  11. 49
  12. 37
  13. 29
  14. 25
  15. 43
  16. 17
  17. 25
  18. 39
  19. 29
  20. 34
  21. 18
  22. 29
  23. 35
  24. 43
  25. 41
  26. 32
  27. 24
  28. 40
  29. 24
  30. 42
  31. 10
  32. 48
  33. 29
  34. 11
  35. 14
  36. 46
  37. 34
  38. 26
  39. 30
  40. 26

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