← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 100 · 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. 1.124 − 90 =
  2. 2.506 − 490 =
  3. 3.1021 − 993 =
  4. 4.94 − 76 =
  5. 5.127 − 76 =
  6. 6.512 − 481 =
  7. 7.62 − 46 =
  8. 8.1002 − 977 =
  9. 9.87 − 78 =
  10. 10.56 − 38 =
  11. 11.503 − 488 =
  12. 12.78 − 43 =
  13. 13.121 − 83 =
  14. 14.54 − 40 =
  15. 15.52 − 47 =
  16. 16.216 − 179 =
  17. 17.1009 − 997 =
  18. 18.87 − 72 =
  19. 19.94 − 75 =
  20. 20.525 − 496 =
  21. 21.506 − 476 =
  22. 22.115 − 83 =
  23. 23.55 − 28 =
  24. 24.211 − 175 =
  25. 25.215 − 184 =
  26. 26.525 − 494 =
  27. 27.91 − 70 =
  28. 28.206 − 177 =
  29. 29.68 − 37 =
  30. 30.504 − 483 =
  31. 31.1005 − 984 =
  32. 32.514 − 497 =
  33. 33.229 − 179 =
  34. 34.203 − 192 =
  35. 35.79 − 29 =
  36. 36.51 − 38 =
  37. 37.306 − 281 =
  38. 38.96 − 55 =
  39. 39.57 − 34 =
  40. 40.1001 − 994 =

Answer key

  1. 34
  2. 16
  3. 28
  4. 18
  5. 51
  6. 31
  7. 16
  8. 25
  9. 9
  10. 18
  11. 15
  12. 35
  13. 38
  14. 14
  15. 5
  16. 37
  17. 12
  18. 15
  19. 19
  20. 29
  21. 30
  22. 32
  23. 27
  24. 36
  25. 31
  26. 31
  27. 21
  28. 29
  29. 31
  30. 21
  31. 21
  32. 17
  33. 50
  34. 11
  35. 50
  36. 13
  37. 25
  38. 41
  39. 23
  40. 7

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