← Subtract by counting up lesson New set →

Subtraction by Counting Up Worksheet

Mental maths lesson 5: Subtract by counting up · Set 454 · 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. 1.91 − 70 =
  2. 2.87 − 63 =
  3. 3.504 − 497 =
  4. 4.322 − 280 =
  5. 5.1008 − 980 =
  6. 6.128 − 95 =
  7. 7.1003 − 993 =
  8. 8.87 − 77 =
  9. 9.1026 − 988 =
  10. 10.93 − 73 =
  11. 11.105 − 60 =
  12. 12.219 − 193 =
  13. 13.201 − 191 =
  14. 14.67 − 40 =
  15. 15.309 − 295 =
  16. 16.51 − 48 =
  17. 17.213 − 181 =
  18. 18.115 − 78 =
  19. 19.102 − 90 =
  20. 20.219 − 188 =
  21. 21.217 − 177 =
  22. 22.308 − 297 =
  23. 23.216 − 195 =
  24. 24.103 − 64 =
  25. 25.108 − 85 =
  26. 26.80 − 36 =
  27. 27.518 − 491 =
  28. 28.501 − 488 =
  29. 29.329 − 275 =
  30. 30.205 − 186 =
  31. 31.92 − 78 =
  32. 32.508 − 485 =
  33. 33.130 − 87 =
  34. 34.101 − 80 =
  35. 35.68 − 32 =
  36. 36.304 − 284 =
  37. 37.117 − 94 =
  38. 38.303 − 292 =
  39. 39.95 − 69 =
  40. 40.529 − 493 =

Answer key

  1. 21
  2. 24
  3. 7
  4. 42
  5. 28
  6. 33
  7. 10
  8. 10
  9. 38
  10. 20
  11. 45
  12. 26
  13. 10
  14. 27
  15. 14
  16. 3
  17. 32
  18. 37
  19. 12
  20. 31
  21. 40
  22. 11
  23. 21
  24. 39
  25. 23
  26. 44
  27. 27
  28. 13
  29. 54
  30. 19
  31. 14
  32. 23
  33. 43
  34. 21
  35. 36
  36. 20
  37. 23
  38. 11
  39. 26
  40. 36

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