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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 304 · 40 questions
TalentJR

The fast method (Three names, one amount): Learn the key ones: 1/2 = 50% = 0.5, 1/4 = 25% = 0.25, 1/5 = 20% = 0.2. And: 1/8 = 12.5% = 0.125, 1/10 = 10% = 0.1, 1/20 = 5% = 0.05. Percent → decimal: ÷ 100 (point 2 places left). Decimal → percent: × 100. Fraction → percent: use the unit fraction — 3/8 = 3 × 12.5% = 37.5%.

NameDateTime takenScore ___ / 40
  1. 1.Which fraction is 10%? (a) 5/8 (b) 7/10 (c) 1/10 (d) 1/4
  2. 2.70% as a decimal =
  3. 3.0.2 as a percent =
  4. 4.1/2 as a percent =
  5. 5.20% as a decimal =
  6. 6.3/8 as a percent =
  7. 7.25% as a decimal =
  8. 8.25% as a decimal =
  9. 9.5/8 as a percent =
  10. 10.Which fraction is 45%? (a) 1/4 (b) 9/10 (c) 9/20 (d) 1/10
  11. 11.Which fraction is 62.5%? (a) 5/8 (b) 3/4 (c) 9/20 (d) 11/20
  12. 12.50% as a decimal =
  13. 13.87.5% as a decimal =
  14. 14.20% as a decimal =
  15. 15.40% as a decimal =
  16. 16.1/20 as a percent =
  17. 17.Which fraction is 0.95? (a) 7/20 (b) 3/5 (c) 19/20 (d) 7/8
  18. 18.95% as a decimal =
  19. 19.1/4 as a percent =
  20. 20.10% as a decimal =
  21. 21.17/20 as a percent =
  22. 22.4/5 as a percent =
  23. 23.3/20 as a percent =
  24. 24.0.35 as a percent =
  25. 25.2/5 as a percent =
  26. 26.0.65 as a percent =
  27. 27.Which fraction is 20%? (a) 9/10 (b) 1/5 (c) 1/10 (d) 1/8
  28. 28.Which fraction is 0.75? (a) 4/5 (b) 1/4 (c) 3/4 (d) 3/20
  29. 29.1/2 as a percent =
  30. 30.1/4 as a percent =
  31. 31.0.875 as a percent =
  32. 32.0.9 as a percent =
  33. 33.1/4 as a percent =
  34. 34.0.125 as a percent =
  35. 35.62.5% as a decimal =
  36. 36.Which fraction is 62.5%? (a) 3/10 (b) 9/10 (c) 19/20 (d) 5/8
  37. 37.10% as a decimal =
  38. 38.Which fraction is 20%? (a) 1/4 (b) 3/5 (c) 1/5 (d) 1/8
  39. 39.1/20 as a percent =
  40. 40.Which fraction is 0.625? (a) 1/20 (b) 5/8 (c) 9/10 (d) 3/4

Answer key

  1. 1/10
  2. 0.7
  3. 20
  4. 50
  5. 0.2
  6. 37.5
  7. 0.25
  8. 0.25
  9. 62.5
  10. 9/20
  11. 5/8
  12. 0.5
  13. 0.875
  14. 0.2
  15. 0.4
  16. 5
  17. 19/20
  18. 0.95
  19. 25
  20. 0.1
  21. 85
  22. 80
  23. 15
  24. 35
  25. 40
  26. 65
  27. 1/5
  28. 3/4
  29. 50
  30. 25
  31. 87.5
  32. 90
  33. 25
  34. 12.5
  35. 0.625
  36. 5/8
  37. 0.1
  38. 1/5
  39. 5
  40. 5/8

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