← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 881 · 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. 1.82 − 76 =
  2. 2.1025 − 997 =
  3. 3.214 − 192 =
  4. 4.1022 − 996 =
  5. 5.201 − 195 =
  6. 6.326 − 279 =
  7. 7.1003 − 982 =
  8. 8.328 − 290 =
  9. 9.71 − 39 =
  10. 10.68 − 48 =
  11. 11.212 − 187 =
  12. 12.65 − 27 =
  13. 13.213 − 180 =
  14. 14.501 − 480 =
  15. 15.1002 − 995 =
  16. 16.1014 − 980 =
  17. 17.1008 − 978 =
  18. 18.1010 − 975 =
  19. 19.315 − 280 =
  20. 20.526 − 496 =
  21. 21.1023 − 978 =
  22. 22.118 − 98 =
  23. 23.322 − 280 =
  24. 24.207 − 192 =
  25. 25.312 − 282 =
  26. 26.1010 − 984 =
  27. 27.320 − 280 =
  28. 28.325 − 286 =
  29. 29.209 − 186 =
  30. 30.119 − 98 =
  31. 31.81 − 70 =
  32. 32.107 − 98 =
  33. 33.99 − 75 =
  34. 34.228 − 190 =
  35. 35.67 − 47 =
  36. 36.1020 − 980 =
  37. 37.106 − 83 =
  38. 38.104 − 72 =
  39. 39.207 − 198 =
  40. 40.517 − 476 =

Answer key

  1. 6
  2. 28
  3. 22
  4. 26
  5. 6
  6. 47
  7. 21
  8. 38
  9. 32
  10. 20
  11. 25
  12. 38
  13. 33
  14. 21
  15. 7
  16. 34
  17. 30
  18. 35
  19. 35
  20. 30
  21. 45
  22. 20
  23. 42
  24. 15
  25. 30
  26. 26
  27. 40
  28. 39
  29. 23
  30. 21
  31. 11
  32. 9
  33. 24
  34. 38
  35. 20
  36. 40
  37. 23
  38. 32
  39. 9
  40. 41

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