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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 103 · 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. 1.1% of 1200 =
  2. 2.50% of 478 =
  3. 3.5% of 100 =
  4. 4.5% of 300 =
  5. 5.10% of 520 =
  6. 6.25% of 392 =
  7. 7.1% of 2400 =
  8. 8.10% of 470 =
  9. 9.25% of 120 =
  10. 10.25% of 348 =
  11. 11.20% of 185 =
  12. 12.75% of 200 =
  13. 13.50% of 76 =
  14. 14.10% of 690 =
  15. 15.50% of 440 =
  16. 16.25% of 324 =
  17. 17.75% of 16 =
  18. 18.50% of 322 =
  19. 19.10% of 140 =
  20. 20.25% of 84 =
  21. 21.75% of 104 =
  22. 22.75% of 20 =
  23. 23.1% of 2500 =
  24. 24.50% of 46 =
  25. 25.20% of 20 =
  26. 26.20% of 55 =
  27. 27.1% of 1400 =
  28. 28.10% of 330 =
  29. 29.1% of 1100 =
  30. 30.50% of 246 =
  31. 31.10% of 640 =
  32. 32.10% of 400 =
  33. 33.10% of 170 =
  34. 34.75% of 148 =
  35. 35.1% of 1500 =
  36. 36.50% of 180 =
  37. 37.20% of 370 =
  38. 38.1% of 1300 =
  39. 39.50% of 108 =
  40. 40.5% of 580 =

Answer key

  1. 12
  2. 239
  3. 5
  4. 15
  5. 52
  6. 98
  7. 24
  8. 47
  9. 30
  10. 87
  11. 37
  12. 150
  13. 38
  14. 69
  15. 220
  16. 81
  17. 12
  18. 161
  19. 14
  20. 21
  21. 78
  22. 15
  23. 25
  24. 23
  25. 4
  26. 11
  27. 14
  28. 33
  29. 11
  30. 123
  31. 64
  32. 40
  33. 17
  34. 111
  35. 15
  36. 90
  37. 74
  38. 13
  39. 54
  40. 29

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