← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 238 · 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. 1.1006 − 987 =
  2. 2.107 − 75 =
  3. 3.1020 − 985 =
  4. 4.322 − 286 =
  5. 5.124 − 94 =
  6. 6.315 − 290 =
  7. 7.55 − 46 =
  8. 8.1011 − 991 =
  9. 9.98 − 58 =
  10. 10.79 − 45 =
  11. 11.304 − 291 =
  12. 12.126 − 98 =
  13. 13.124 − 92 =
  14. 14.126 − 93 =
  15. 15.230 − 186 =
  16. 16.222 − 196 =
  17. 17.1003 − 975 =
  18. 18.522 − 498 =
  19. 19.129 − 96 =
  20. 20.55 − 38 =
  21. 21.76 − 33 =
  22. 22.517 − 488 =
  23. 23.205 − 190 =
  24. 24.87 − 77 =
  25. 25.514 − 492 =
  26. 26.301 − 286 =
  27. 27.1022 − 996 =
  28. 28.507 − 478 =
  29. 29.105 − 88 =
  30. 30.77 − 48 =
  31. 31.80 − 25 =
  32. 32.109 − 69 =
  33. 33.215 − 187 =
  34. 34.88 − 56 =
  35. 35.105 − 96 =
  36. 36.529 − 478 =
  37. 37.64 − 45 =
  38. 38.89 − 62 =
  39. 39.1015 − 986 =
  40. 40.505 − 494 =

Answer key

  1. 19
  2. 32
  3. 35
  4. 36
  5. 30
  6. 25
  7. 9
  8. 20
  9. 40
  10. 34
  11. 13
  12. 28
  13. 32
  14. 33
  15. 44
  16. 26
  17. 28
  18. 24
  19. 33
  20. 17
  21. 43
  22. 29
  23. 15
  24. 10
  25. 22
  26. 15
  27. 26
  28. 29
  29. 17
  30. 29
  31. 55
  32. 40
  33. 28
  34. 32
  35. 9
  36. 51
  37. 19
  38. 27
  39. 29
  40. 11

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