← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 556 · 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. 1.317 − 282 =
  2. 2.320 − 282 =
  3. 3.80 − 48 =
  4. 4.217 − 183 =
  5. 5.217 − 175 =
  6. 6.517 − 479 =
  7. 7.308 − 293 =
  8. 8.109 − 78 =
  9. 9.82 − 63 =
  10. 10.80 − 33 =
  11. 11.82 − 73 =
  12. 12.66 − 32 =
  13. 13.1029 − 978 =
  14. 14.122 − 98 =
  15. 15.106 − 80 =
  16. 16.527 − 493 =
  17. 17.526 − 475 =
  18. 18.78 − 42 =
  19. 19.312 − 276 =
  20. 20.202 − 178 =
  21. 21.517 − 478 =
  22. 22.508 − 477 =
  23. 23.121 − 80 =
  24. 24.508 − 498 =
  25. 25.217 − 179 =
  26. 26.228 − 179 =
  27. 27.1027 − 994 =
  28. 28.1002 − 992 =
  29. 29.94 − 61 =
  30. 30.323 − 292 =
  31. 31.228 − 182 =
  32. 32.106 − 56 =
  33. 33.92 − 71 =
  34. 34.1005 − 991 =
  35. 35.1013 − 995 =
  36. 36.202 − 176 =
  37. 37.107 − 81 =
  38. 38.104 − 78 =
  39. 39.69 − 32 =
  40. 40.124 − 76 =

Answer key

  1. 35
  2. 38
  3. 32
  4. 34
  5. 42
  6. 38
  7. 15
  8. 31
  9. 19
  10. 47
  11. 9
  12. 34
  13. 51
  14. 24
  15. 26
  16. 34
  17. 51
  18. 36
  19. 36
  20. 24
  21. 39
  22. 31
  23. 41
  24. 10
  25. 38
  26. 49
  27. 33
  28. 10
  29. 33
  30. 31
  31. 46
  32. 50
  33. 21
  34. 14
  35. 18
  36. 26
  37. 26
  38. 26
  39. 37
  40. 48

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