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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 61 · 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. 1.17/20 as a percent =
  2. 2.1/2 as a percent =
  3. 3.90% as a decimal =
  4. 4.3/20 as a percent =
  5. 5.19/20 as a percent =
  6. 6.Which fraction is 0.2? (a) 7/10 (b) 7/8 (c) 1/5 (d) 9/20
  7. 7.13/20 as a percent =
  8. 8.13/20 as a percent =
  9. 9.Which fraction is 0.625? (a) 5/8 (b) 7/20 (c) 1/8 (d) 7/10
  10. 10.1/2 as a percent =
  11. 11.5% as a decimal =
  12. 12.0.8 as a percent =
  13. 13.0.85 as a percent =
  14. 14.20% as a decimal =
  15. 15.4/5 as a percent =
  16. 16.25% as a decimal =
  17. 17.0.15 as a percent =
  18. 18.0.7 as a percent =
  19. 19.0.375 as a percent =
  20. 20.Which fraction is 0.55? (a) 11/20 (b) 1/2 (c) 7/8 (d) 3/5
  21. 21.Which fraction is 0.4? (a) 9/20 (b) 5/8 (c) 19/20 (d) 2/5
  22. 22.Which fraction is 0.1? (a) 9/20 (b) 1/10 (c) 9/10 (d) 11/20
  23. 23.7/20 as a percent =
  24. 24.60% as a decimal =
  25. 25.0.45 as a percent =
  26. 26.1/5 as a percent =
  27. 27.Which fraction is 40%? (a) 1/10 (b) 2/5 (c) 11/20 (d) 13/20
  28. 28.1/10 as a percent =
  29. 29.Which fraction is 15%? (a) 1/8 (b) 7/10 (c) 9/10 (d) 3/20
  30. 30.90% as a decimal =
  31. 31.1/20 as a percent =
  32. 32.90% as a decimal =
  33. 33.3/8 as a percent =
  34. 34.95% as a decimal =
  35. 35.19/20 as a percent =
  36. 36.0.6 as a percent =
  37. 37.Which fraction is 0.375? (a) 1/2 (b) 3/8 (c) 3/5 (d) 1/5
  38. 38.0.35 as a percent =
  39. 39.35% as a decimal =
  40. 40.9/20 as a percent =

Answer key

  1. 85
  2. 50
  3. 0.9
  4. 15
  5. 95
  6. 1/5
  7. 65
  8. 65
  9. 5/8
  10. 50
  11. 0.05
  12. 80
  13. 85
  14. 0.2
  15. 80
  16. 0.25
  17. 15
  18. 70
  19. 37.5
  20. 11/20
  21. 2/5
  22. 1/10
  23. 35
  24. 0.6
  25. 45
  26. 20
  27. 2/5
  28. 10
  29. 3/20
  30. 0.9
  31. 5
  32. 0.9
  33. 37.5
  34. 0.95
  35. 95
  36. 60
  37. 3/8
  38. 35
  39. 0.35
  40. 45

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