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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 773 · 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. 1.62.5% as a decimal =
  2. 2.11/20 as a percent =
  3. 3.17/20 as a percent =
  4. 4.Which fraction is 87.5%? (a) 2/5 (b) 17/20 (c) 7/10 (d) 7/8
  5. 5.0.5 as a percent =
  6. 6.20% as a decimal =
  7. 7.5% as a decimal =
  8. 8.Which fraction is 20%? (a) 2/5 (b) 1/5 (c) 7/10 (d) 1/2
  9. 9.Which fraction is 0.15? (a) 1/10 (b) 1/2 (c) 3/20 (d) 4/5
  10. 10.0.05 as a percent =
  11. 11.0.95 as a percent =
  12. 12.1/5 as a percent =
  13. 13.Which fraction is 40%? (a) 7/8 (b) 2/5 (c) 1/10 (d) 3/20
  14. 14.0.55 as a percent =
  15. 15.4/5 as a percent =
  16. 16.Which fraction is 37.5%? (a) 4/5 (b) 1/4 (c) 3/10 (d) 3/8
  17. 17.0.8 as a percent =
  18. 18.Which fraction is 0.625? (a) 5/8 (b) 1/2 (c) 19/20 (d) 9/10
  19. 19.3/20 as a percent =
  20. 20.0.85 as a percent =
  21. 21.0.55 as a percent =
  22. 22.Which fraction is 0.4? (a) 5/8 (b) 11/20 (c) 19/20 (d) 2/5
  23. 23.0.8 as a percent =
  24. 24.1/20 as a percent =
  25. 25.3/4 as a percent =
  26. 26.3/20 as a percent =
  27. 27.0.4 as a percent =
  28. 28.11/20 as a percent =
  29. 29.10% as a decimal =
  30. 30.0.4 as a percent =
  31. 31.Which fraction is 0.2? (a) 7/10 (b) 4/5 (c) 1/5 (d) 9/20
  32. 32.0.1 as a percent =
  33. 33.5/8 as a percent =
  34. 34.9/20 as a percent =
  35. 35.0.05 as a percent =
  36. 36.7/20 as a percent =
  37. 37.50% as a decimal =
  38. 38.1/5 as a percent =
  39. 39.80% as a decimal =
  40. 40.0.05 as a percent =

Answer key

  1. 0.625
  2. 55
  3. 85
  4. 7/8
  5. 50
  6. 0.2
  7. 0.05
  8. 1/5
  9. 3/20
  10. 5
  11. 95
  12. 20
  13. 2/5
  14. 55
  15. 80
  16. 3/8
  17. 80
  18. 5/8
  19. 15
  20. 85
  21. 55
  22. 2/5
  23. 80
  24. 5
  25. 75
  26. 15
  27. 40
  28. 55
  29. 0.1
  30. 40
  31. 1/5
  32. 10
  33. 62.5
  34. 45
  35. 5
  36. 35
  37. 0.5
  38. 20
  39. 0.8
  40. 5

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