← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 310 · 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. 1.516 − 479 =
  2. 2.504 − 490 =
  3. 3.104 − 95 =
  4. 4.305 − 292 =
  5. 5.64 − 29 =
  6. 6.82 − 76 =
  7. 7.314 − 294 =
  8. 8.128 − 80 =
  9. 9.1018 − 976 =
  10. 10.228 − 190 =
  11. 11.501 − 495 =
  12. 12.68 − 28 =
  13. 13.511 − 492 =
  14. 14.210 − 175 =
  15. 15.1001 − 991 =
  16. 16.77 − 35 =
  17. 17.519 − 482 =
  18. 18.56 − 40 =
  19. 19.56 − 29 =
  20. 20.521 − 480 =
  21. 21.326 − 295 =
  22. 22.63 − 40 =
  23. 23.1030 − 984 =
  24. 24.1003 − 990 =
  25. 25.328 − 298 =
  26. 26.1022 − 989 =
  27. 27.53 − 31 =
  28. 28.67 − 38 =
  29. 29.312 − 283 =
  30. 30.116 − 75 =
  31. 31.100 − 78 =
  32. 32.107 − 58 =
  33. 33.220 − 175 =
  34. 34.106 − 78 =
  35. 35.63 − 43 =
  36. 36.80 − 46 =
  37. 37.526 − 489 =
  38. 38.515 − 495 =
  39. 39.1015 − 986 =
  40. 40.1006 − 992 =

Answer key

  1. 37
  2. 14
  3. 9
  4. 13
  5. 35
  6. 6
  7. 20
  8. 48
  9. 42
  10. 38
  11. 6
  12. 40
  13. 19
  14. 35
  15. 10
  16. 42
  17. 37
  18. 16
  19. 27
  20. 41
  21. 31
  22. 23
  23. 46
  24. 13
  25. 30
  26. 33
  27. 22
  28. 29
  29. 29
  30. 41
  31. 22
  32. 49
  33. 45
  34. 28
  35. 20
  36. 34
  37. 37
  38. 20
  39. 29
  40. 14

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