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

Percentage lesson 5: 10%, 25% and 50% shortcuts · Set 517 · 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. 1.50% of 30 =
  2. 2.1% of 1700 =
  3. 3.5% of 480 =
  4. 4.75% of 224 =
  5. 5.20% of 265 =
  6. 6.5% of 600 =
  7. 7.5% of 80 =
  8. 8.10% of 690 =
  9. 9.1% of 1300 =
  10. 10.50% of 254 =
  11. 11.5% of 700 =
  12. 12.5% of 520 =
  13. 13.20% of 135 =
  14. 14.25% of 120 =
  15. 15.25% of 68 =
  16. 16.1% of 700 =
  17. 17.75% of 84 =
  18. 18.1% of 1900 =
  19. 19.25% of 52 =
  20. 20.50% of 486 =
  21. 21.75% of 32 =
  22. 22.1% of 1400 =
  23. 23.5% of 360 =
  24. 24.1% of 2100 =
  25. 25.50% of 150 =
  26. 26.10% of 150 =
  27. 27.75% of 56 =
  28. 28.10% of 830 =
  29. 29.10% of 780 =
  30. 30.25% of 32 =
  31. 31.1% of 900 =
  32. 32.5% of 400 =
  33. 33.25% of 108 =
  34. 34.50% of 360 =
  35. 35.75% of 112 =
  36. 36.10% of 140 =
  37. 37.20% of 470 =
  38. 38.50% of 60 =
  39. 39.5% of 300 =
  40. 40.75% of 44 =

Answer key

  1. 15
  2. 17
  3. 24
  4. 168
  5. 53
  6. 30
  7. 4
  8. 69
  9. 13
  10. 127
  11. 35
  12. 26
  13. 27
  14. 30
  15. 17
  16. 7
  17. 63
  18. 19
  19. 13
  20. 243
  21. 24
  22. 14
  23. 18
  24. 21
  25. 75
  26. 15
  27. 42
  28. 83
  29. 78
  30. 8
  31. 9
  32. 20
  33. 27
  34. 180
  35. 84
  36. 14
  37. 94
  38. 30
  39. 15
  40. 33

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