← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 792 · 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. 1.58 − 40 =
  2. 2.305 − 276 =
  3. 3.1012 − 992 =
  4. 4.80 − 41 =
  5. 5.69 − 32 =
  6. 6.226 − 193 =
  7. 7.1025 − 983 =
  8. 8.126 − 75 =
  9. 9.319 − 280 =
  10. 10.509 − 489 =
  11. 11.512 − 489 =
  12. 12.107 − 55 =
  13. 13.51 − 47 =
  14. 14.80 − 48 =
  15. 15.228 − 178 =
  16. 16.58 − 29 =
  17. 17.1012 − 998 =
  18. 18.69 − 48 =
  19. 19.52 − 39 =
  20. 20.1027 − 996 =
  21. 21.209 − 186 =
  22. 22.504 − 476 =
  23. 23.303 − 289 =
  24. 24.1016 − 982 =
  25. 25.123 − 93 =
  26. 26.1030 − 995 =
  27. 27.87 − 55 =
  28. 28.57 − 41 =
  29. 29.1020 − 987 =
  30. 30.107 − 84 =
  31. 31.222 − 187 =
  32. 32.113 − 77 =
  33. 33.114 − 97 =
  34. 34.93 − 57 =
  35. 35.106 − 73 =
  36. 36.65 − 31 =
  37. 37.319 − 296 =
  38. 38.328 − 276 =
  39. 39.56 − 35 =
  40. 40.522 − 481 =

Answer key

  1. 18
  2. 29
  3. 20
  4. 39
  5. 37
  6. 33
  7. 42
  8. 51
  9. 39
  10. 20
  11. 23
  12. 52
  13. 4
  14. 32
  15. 50
  16. 29
  17. 14
  18. 21
  19. 13
  20. 31
  21. 23
  22. 28
  23. 14
  24. 34
  25. 30
  26. 35
  27. 32
  28. 16
  29. 33
  30. 23
  31. 35
  32. 36
  33. 17
  34. 36
  35. 33
  36. 34
  37. 23
  38. 52
  39. 21
  40. 41

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