← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 827 · 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. 1.1002 − 997 =
  2. 2.92 − 78 =
  3. 3.308 − 276 =
  4. 4.522 − 497 =
  5. 5.68 − 36 =
  6. 6.102 − 96 =
  7. 7.75 − 42 =
  8. 8.120 − 97 =
  9. 9.103 − 73 =
  10. 10.1015 − 983 =
  11. 11.227 − 193 =
  12. 12.1004 − 978 =
  13. 13.64 − 35 =
  14. 14.1008 − 976 =
  15. 15.319 − 277 =
  16. 16.111 − 78 =
  17. 17.208 − 181 =
  18. 18.130 − 89 =
  19. 19.92 − 56 =
  20. 20.318 − 294 =
  21. 21.1029 − 995 =
  22. 22.120 − 79 =
  23. 23.61 − 28 =
  24. 24.209 − 194 =
  25. 25.218 − 189 =
  26. 26.87 − 74 =
  27. 27.521 − 497 =
  28. 28.1018 − 975 =
  29. 29.317 − 281 =
  30. 30.1014 − 975 =
  31. 31.526 − 489 =
  32. 32.86 − 62 =
  33. 33.211 − 193 =
  34. 34.211 − 182 =
  35. 35.209 − 184 =
  36. 36.103 − 55 =
  37. 37.303 − 294 =
  38. 38.54 − 37 =
  39. 39.1005 − 995 =
  40. 40.206 − 188 =

Answer key

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

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