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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 728 · 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. 1.0.5 as a percent =
  2. 2.Which fraction is 0.6? (a) 13/20 (b) 9/20 (c) 1/20 (d) 3/5
  3. 3.0.05 as a percent =
  4. 4.11/20 as a percent =
  5. 5.7/8 as a percent =
  6. 6.80% as a decimal =
  7. 7.9/20 as a percent =
  8. 8.1/2 as a percent =
  9. 9.62.5% as a decimal =
  10. 10.0.15 as a percent =
  11. 11.1/20 as a percent =
  12. 12.Which fraction is 10%? (a) 1/10 (b) 7/10 (c) 4/5 (d) 19/20
  13. 13.11/20 as a percent =
  14. 14.87.5% as a decimal =
  15. 15.1/5 as a percent =
  16. 16.0.6 as a percent =
  17. 17.12.5% as a decimal =
  18. 18.12.5% as a decimal =
  19. 19.Which fraction is 0.8? (a) 4/5 (b) 2/5 (c) 7/20 (d) 9/20
  20. 20.9/10 as a percent =
  21. 21.0.3 as a percent =
  22. 22.Which fraction is 50%? (a) 9/10 (b) 7/8 (c) 1/2 (d) 3/8
  23. 23.Which fraction is 85%? (a) 3/20 (b) 1/2 (c) 19/20 (d) 17/20
  24. 24.87.5% as a decimal =
  25. 25.10% as a decimal =
  26. 26.5/8 as a percent =
  27. 27.25% as a decimal =
  28. 28.3/8 as a percent =
  29. 29.85% as a decimal =
  30. 30.Which fraction is 0.25? (a) 3/10 (b) 1/4 (c) 1/8 (d) 19/20
  31. 31.9/10 as a percent =
  32. 32.1/20 as a percent =
  33. 33.Which fraction is 62.5%? (a) 3/20 (b) 3/10 (c) 7/20 (d) 5/8
  34. 34.Which fraction is 0.9? (a) 3/5 (b) 1/20 (c) 9/10 (d) 7/8
  35. 35.Which fraction is 0.45? (a) 1/5 (b) 3/20 (c) 1/2 (d) 9/20
  36. 36.40% as a decimal =
  37. 37.Which fraction is 75%? (a) 1/4 (b) 2/5 (c) 7/10 (d) 3/4
  38. 38.11/20 as a percent =
  39. 39.30% as a decimal =
  40. 40.Which fraction is 0.375? (a) 17/20 (b) 3/8 (c) 19/20 (d) 3/4

Answer key

  1. 50
  2. 3/5
  3. 5
  4. 55
  5. 87.5
  6. 0.8
  7. 45
  8. 50
  9. 0.625
  10. 15
  11. 5
  12. 1/10
  13. 55
  14. 0.875
  15. 20
  16. 60
  17. 0.125
  18. 0.125
  19. 4/5
  20. 90
  21. 30
  22. 1/2
  23. 17/20
  24. 0.875
  25. 0.1
  26. 62.5
  27. 0.25
  28. 37.5
  29. 0.85
  30. 1/4
  31. 90
  32. 5
  33. 5/8
  34. 9/10
  35. 9/20
  36. 0.4
  37. 3/4
  38. 55
  39. 0.3
  40. 3/8

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