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Percentage Shortcuts Worksheet – 10%, 25%, 50%

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 187 · 40 questions
TalentJR

How to work it out (Halves and tenths): 10%: divide by 10. 1%: divide by 100. 50%: halve. 25%: halve, then halve again. 75% = 50% + 25%. 5%: half of 10%. 20%: double 10%.

NameDateTime takenScore ___ / 40
  1. 1.10% of 180 =
  2. 2.20% of 220 =
  3. 3.50% of 34 =
  4. 4.75% of 204 =
  5. 5.50% of 174 =
  6. 6.10% of 400 =
  7. 7.1% of 2300 =
  8. 8.5% of 400 =
  9. 9.75% of 132 =
  10. 10.1% of 300 =
  11. 11.20% of 45 =
  12. 12.20% of 155 =
  13. 13.50% of 462 =
  14. 14.50% of 216 =
  15. 15.75% of 144 =
  16. 16.25% of 76 =
  17. 17.25% of 108 =
  18. 18.25% of 388 =
  19. 19.20% of 50 =
  20. 20.50% of 484 =
  21. 21.20% of 490 =
  22. 22.20% of 70 =
  23. 23.10% of 300 =
  24. 24.75% of 52 =
  25. 25.75% of 168 =
  26. 26.5% of 520 =
  27. 27.50% of 150 =
  28. 28.1% of 2800 =
  29. 29.1% of 2600 =
  30. 30.5% of 480 =
  31. 31.50% of 290 =
  32. 32.25% of 324 =
  33. 33.10% of 500 =
  34. 34.1% of 100 =
  35. 35.10% of 830 =
  36. 36.5% of 360 =
  37. 37.75% of 160 =
  38. 38.25% of 212 =
  39. 39.10% of 580 =
  40. 40.50% of 338 =

Answer key

  1. 18
  2. 44
  3. 17
  4. 153
  5. 87
  6. 40
  7. 23
  8. 20
  9. 99
  10. 3
  11. 9
  12. 31
  13. 231
  14. 108
  15. 108
  16. 19
  17. 27
  18. 97
  19. 10
  20. 242
  21. 98
  22. 14
  23. 30
  24. 39
  25. 126
  26. 26
  27. 75
  28. 28
  29. 26
  30. 24
  31. 145
  32. 81
  33. 50
  34. 1
  35. 83
  36. 18
  37. 120
  38. 53
  39. 58
  40. 169

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