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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 720 · 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. 1.19/20 as a percent =
  2. 2.4/5 as a percent =
  3. 3.87.5% as a decimal =
  4. 4.9/20 as a percent =
  5. 5.95% as a decimal =
  6. 6.55% as a decimal =
  7. 7.19/20 as a percent =
  8. 8.Which fraction is 10%? (a) 9/10 (b) 13/20 (c) 1/10 (d) 2/5
  9. 9.19/20 as a percent =
  10. 10.62.5% as a decimal =
  11. 11.0.6 as a percent =
  12. 12.0.375 as a percent =
  13. 13.7/8 as a percent =
  14. 14.9/20 as a percent =
  15. 15.1/4 as a percent =
  16. 16.1/5 as a percent =
  17. 17.0.95 as a percent =
  18. 18.5/8 as a percent =
  19. 19.7/20 as a percent =
  20. 20.Which fraction is 80%? (a) 7/20 (b) 17/20 (c) 4/5 (d) 1/2
  21. 21.5/8 as a percent =
  22. 22.Which fraction is 15%? (a) 1/2 (b) 3/20 (c) 2/5 (d) 1/5
  23. 23.17/20 as a percent =
  24. 24.0.3 as a percent =
  25. 25.Which fraction is 62.5%? (a) 3/5 (b) 9/10 (c) 5/8 (d) 7/8
  26. 26.0.5 as a percent =
  27. 27.0.85 as a percent =
  28. 28.3/5 as a percent =
  29. 29.Which fraction is 0.2? (a) 3/8 (b) 9/10 (c) 1/5 (d) 1/8
  30. 30.20% as a decimal =
  31. 31.0.4 as a percent =
  32. 32.3/10 as a percent =
  33. 33.15% as a decimal =
  34. 34.95% as a decimal =
  35. 35.Which fraction is 37.5%? (a) 3/4 (b) 3/8 (c) 1/4 (d) 1/2
  36. 36.75% as a decimal =
  37. 37.0.1 as a percent =
  38. 38.0.5 as a percent =
  39. 39.90% as a decimal =
  40. 40.90% as a decimal =

Answer key

  1. 95
  2. 80
  3. 0.875
  4. 45
  5. 0.95
  6. 0.55
  7. 95
  8. 1/10
  9. 95
  10. 0.625
  11. 60
  12. 37.5
  13. 87.5
  14. 45
  15. 25
  16. 20
  17. 95
  18. 62.5
  19. 35
  20. 4/5
  21. 62.5
  22. 3/20
  23. 85
  24. 30
  25. 5/8
  26. 50
  27. 85
  28. 60
  29. 1/5
  30. 0.2
  31. 40
  32. 30
  33. 0.15
  34. 0.95
  35. 3/8
  36. 0.75
  37. 10
  38. 50
  39. 0.9
  40. 0.9

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