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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 321 · 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. 1.25% as a decimal =
  2. 2.0.5 as a percent =
  3. 3.95% as a decimal =
  4. 4.5/8 as a percent =
  5. 5.Which fraction is 0.4? (a) 2/5 (b) 1/5 (c) 1/4 (d) 1/20
  6. 6.9/10 as a percent =
  7. 7.9/20 as a percent =
  8. 8.45% as a decimal =
  9. 9.0.05 as a percent =
  10. 10.Which fraction is 75%? (a) 9/20 (b) 3/20 (c) 1/4 (d) 3/4
  11. 11.Which fraction is 55%? (a) 3/4 (b) 1/8 (c) 19/20 (d) 11/20
  12. 12.37.5% as a decimal =
  13. 13.80% as a decimal =
  14. 14.0.5 as a percent =
  15. 15.25% as a decimal =
  16. 16.4/5 as a percent =
  17. 17.0.55 as a percent =
  18. 18.Which fraction is 0.7? (a) 3/20 (b) 13/20 (c) 7/10 (d) 3/8
  19. 19.62.5% as a decimal =
  20. 20.3/5 as a percent =
  21. 21.0.35 as a percent =
  22. 22.Which fraction is 70%? (a) 1/10 (b) 7/10 (c) 19/20 (d) 1/4
  23. 23.4/5 as a percent =
  24. 24.70% as a decimal =
  25. 25.7/20 as a percent =
  26. 26.Which fraction is 15%? (a) 3/10 (b) 2/5 (c) 9/10 (d) 3/20
  27. 27.0.25 as a percent =
  28. 28.37.5% as a decimal =
  29. 29.0.85 as a percent =
  30. 30.5% as a decimal =
  31. 31.3/10 as a percent =
  32. 32.7/20 as a percent =
  33. 33.11/20 as a percent =
  34. 34.0.6 as a percent =
  35. 35.9/20 as a percent =
  36. 36.Which fraction is 0.15? (a) 3/20 (b) 1/2 (c) 4/5 (d) 1/5
  37. 37.20% as a decimal =
  38. 38.Which fraction is 95%? (a) 3/10 (b) 5/8 (c) 2/5 (d) 19/20
  39. 39.0.05 as a percent =
  40. 40.0.15 as a percent =

Answer key

  1. 0.25
  2. 50
  3. 0.95
  4. 62.5
  5. 2/5
  6. 90
  7. 45
  8. 0.45
  9. 5
  10. 3/4
  11. 11/20
  12. 0.375
  13. 0.8
  14. 50
  15. 0.25
  16. 80
  17. 55
  18. 7/10
  19. 0.625
  20. 60
  21. 35
  22. 7/10
  23. 80
  24. 0.7
  25. 35
  26. 3/20
  27. 25
  28. 0.375
  29. 85
  30. 0.05
  31. 30
  32. 35
  33. 55
  34. 60
  35. 45
  36. 3/20
  37. 0.2
  38. 19/20
  39. 5
  40. 15

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