← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 345 · 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. 1.98 − 60 =
  2. 2.1004 − 981 =
  3. 3.104 − 89 =
  4. 4.202 − 189 =
  5. 5.212 − 186 =
  6. 6.106 − 95 =
  7. 7.101 − 94 =
  8. 8.506 − 497 =
  9. 9.206 − 194 =
  10. 10.506 − 495 =
  11. 11.329 − 294 =
  12. 12.505 − 482 =
  13. 13.110 − 78 =
  14. 14.80 − 47 =
  15. 15.121 − 93 =
  16. 16.119 − 95 =
  17. 17.208 − 197 =
  18. 18.78 − 36 =
  19. 19.88 − 74 =
  20. 20.92 − 65 =
  21. 21.105 − 83 =
  22. 22.88 − 57 =
  23. 23.202 − 178 =
  24. 24.110 − 65 =
  25. 25.1005 − 981 =
  26. 26.501 − 478 =
  27. 27.1011 − 994 =
  28. 28.51 − 37 =
  29. 29.63 − 32 =
  30. 30.62 − 45 =
  31. 31.113 − 91 =
  32. 32.125 − 85 =
  33. 33.1016 − 994 =
  34. 34.529 − 492 =
  35. 35.311 − 297 =
  36. 36.308 − 283 =
  37. 37.1030 − 995 =
  38. 38.210 − 187 =
  39. 39.1003 − 977 =
  40. 40.106 − 98 =

Answer key

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

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