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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 472 · 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 5%? (a) 3/5 (b) 1/20 (c) 3/10 (d) 3/8
  2. 2.90% as a decimal =
  3. 3.Which fraction is 50%? (a) 1/2 (b) 1/8 (c) 9/10 (d) 5/8
  4. 4.0.1 as a percent =
  5. 5.3/20 as a percent =
  6. 6.90% as a decimal =
  7. 7.0.75 as a percent =
  8. 8.0.1 as a percent =
  9. 9.Which fraction is 12.5%? (a) 1/5 (b) 9/20 (c) 3/5 (d) 1/8
  10. 10.75% as a decimal =
  11. 11.Which fraction is 0.8? (a) 9/20 (b) 3/20 (c) 4/5 (d) 1/4
  12. 12.17/20 as a percent =
  13. 13.15% as a decimal =
  14. 14.Which fraction is 70%? (a) 3/8 (b) 19/20 (c) 7/10 (d) 1/5
  15. 15.0.5 as a percent =
  16. 16.85% as a decimal =
  17. 17.15% as a decimal =
  18. 18.80% as a decimal =
  19. 19.0.5 as a percent =
  20. 20.1/2 as a percent =
  21. 21.0.2 as a percent =
  22. 22.20% as a decimal =
  23. 23.20% as a decimal =
  24. 24.9/20 as a percent =
  25. 25.3/10 as a percent =
  26. 26.1/5 as a percent =
  27. 27.0.15 as a percent =
  28. 28.20% as a decimal =
  29. 29.1/5 as a percent =
  30. 30.0.85 as a percent =
  31. 31.1/5 as a percent =
  32. 32.Which fraction is 25%? (a) 17/20 (b) 1/4 (c) 2/5 (d) 4/5
  33. 33.0.2 as a percent =
  34. 34.50% as a decimal =
  35. 35.0.8 as a percent =
  36. 36.40% as a decimal =
  37. 37.70% as a decimal =
  38. 38.0.35 as a percent =
  39. 39.80% as a decimal =
  40. 40.75% as a decimal =

Answer key

  1. 1/20
  2. 0.9
  3. 1/2
  4. 10
  5. 15
  6. 0.9
  7. 75
  8. 10
  9. 1/8
  10. 0.75
  11. 4/5
  12. 85
  13. 0.15
  14. 7/10
  15. 50
  16. 0.85
  17. 0.15
  18. 0.8
  19. 50
  20. 50
  21. 20
  22. 0.2
  23. 0.2
  24. 45
  25. 30
  26. 20
  27. 15
  28. 0.2
  29. 20
  30. 85
  31. 20
  32. 1/4
  33. 20
  34. 0.5
  35. 80
  36. 0.4
  37. 0.7
  38. 35
  39. 0.8
  40. 0.75

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