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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 144 · 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 0.3? (a) 17/20 (b) 3/5 (c) 11/20 (d) 3/10
  2. 2.70% as a decimal =
  3. 3.1/4 as a percent =
  4. 4.11/20 as a percent =
  5. 5.0.5 as a percent =
  6. 6.50% as a decimal =
  7. 7.Which fraction is 0.8? (a) 1/2 (b) 4/5 (c) 1/5 (d) 5/8
  8. 8.7/8 as a percent =
  9. 9.Which fraction is 55%? (a) 2/5 (b) 4/5 (c) 11/20 (d) 17/20
  10. 10.3/5 as a percent =
  11. 11.1/5 as a percent =
  12. 12.30% as a decimal =
  13. 13.60% as a decimal =
  14. 14.40% as a decimal =
  15. 15.13/20 as a percent =
  16. 16.Which fraction is 35%? (a) 3/5 (b) 3/10 (c) 19/20 (d) 7/20
  17. 17.3/4 as a percent =
  18. 18.Which fraction is 0.1? (a) 3/5 (b) 5/8 (c) 17/20 (d) 1/10
  19. 19.9/10 as a percent =
  20. 20.Which fraction is 85%? (a) 1/20 (b) 7/20 (c) 1/10 (d) 17/20
  21. 21.5/8 as a percent =
  22. 22.7/8 as a percent =
  23. 23.65% as a decimal =
  24. 24.35% as a decimal =
  25. 25.0.375 as a percent =
  26. 26.0.3 as a percent =
  27. 27.5% as a decimal =
  28. 28.3/4 as a percent =
  29. 29.0.15 as a percent =
  30. 30.19/20 as a percent =
  31. 31.60% as a decimal =
  32. 32.3/5 as a percent =
  33. 33.0.55 as a percent =
  34. 34.1/5 as a percent =
  35. 35.7/20 as a percent =
  36. 36.3/20 as a percent =
  37. 37.9/10 as a percent =
  38. 38.0.2 as a percent =
  39. 39.25% as a decimal =
  40. 40.40% as a decimal =

Answer key

  1. 3/10
  2. 0.7
  3. 25
  4. 55
  5. 50
  6. 0.5
  7. 4/5
  8. 87.5
  9. 11/20
  10. 60
  11. 20
  12. 0.3
  13. 0.6
  14. 0.4
  15. 65
  16. 7/20
  17. 75
  18. 1/10
  19. 90
  20. 17/20
  21. 62.5
  22. 87.5
  23. 0.65
  24. 0.35
  25. 37.5
  26. 30
  27. 0.05
  28. 75
  29. 15
  30. 95
  31. 0.6
  32. 60
  33. 55
  34. 20
  35. 35
  36. 15
  37. 90
  38. 20
  39. 0.25
  40. 0.4

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