← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 957 · 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. 1.85 − 77 =
  2. 2.100 − 69 =
  3. 3.1010 − 982 =
  4. 4.525 − 491 =
  5. 5.505 − 477 =
  6. 6.513 − 482 =
  7. 7.212 − 188 =
  8. 8.74 − 42 =
  9. 9.120 − 95 =
  10. 10.65 − 34 =
  11. 11.1025 − 998 =
  12. 12.88 − 78 =
  13. 13.218 − 190 =
  14. 14.1011 − 988 =
  15. 15.129 − 95 =
  16. 16.523 − 477 =
  17. 17.58 − 45 =
  18. 18.214 − 187 =
  19. 19.512 − 477 =
  20. 20.1007 − 982 =
  21. 21.102 − 92 =
  22. 22.71 − 38 =
  23. 23.57 − 28 =
  24. 24.89 − 73 =
  25. 25.225 − 187 =
  26. 26.91 − 60 =
  27. 27.202 − 195 =
  28. 28.1011 − 976 =
  29. 29.56 − 45 =
  30. 30.1010 − 993 =
  31. 31.502 − 477 =
  32. 32.524 − 478 =
  33. 33.64 − 46 =
  34. 34.1005 − 996 =
  35. 35.219 − 180 =
  36. 36.109 − 88 =
  37. 37.98 − 66 =
  38. 38.101 − 55 =
  39. 39.108 − 69 =
  40. 40.104 − 80 =

Answer key

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

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