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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 312 · 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 0.25? (a) 1/20 (b) 7/20 (c) 1/10 (d) 1/4
  2. 2.0.05 as a percent =
  3. 3.2/5 as a percent =
  4. 4.Which fraction is 75%? (a) 11/20 (b) 9/10 (c) 3/4 (d) 4/5
  5. 5.10% as a decimal =
  6. 6.17/20 as a percent =
  7. 7.0.05 as a percent =
  8. 8.13/20 as a percent =
  9. 9.Which fraction is 55%? (a) 1/4 (b) 1/5 (c) 3/4 (d) 11/20
  10. 10.0.75 as a percent =
  11. 11.1/2 as a percent =
  12. 12.3/10 as a percent =
  13. 13.Which fraction is 0.2? (a) 1/10 (b) 1/5 (c) 17/20 (d) 13/20
  14. 14.10% as a decimal =
  15. 15.0.4 as a percent =
  16. 16.0.5 as a percent =
  17. 17.5/8 as a percent =
  18. 18.Which fraction is 87.5%? (a) 9/10 (b) 7/8 (c) 1/4 (d) 11/20
  19. 19.4/5 as a percent =
  20. 20.1/2 as a percent =
  21. 21.0.75 as a percent =
  22. 22.85% as a decimal =
  23. 23.4/5 as a percent =
  24. 24.75% as a decimal =
  25. 25.7/8 as a percent =
  26. 26.0.55 as a percent =
  27. 27.Which fraction is 0.2? (a) 3/4 (b) 7/10 (c) 1/20 (d) 1/5
  28. 28.Which fraction is 65%? (a) 4/5 (b) 1/20 (c) 13/20 (d) 3/20
  29. 29.7/8 as a percent =
  30. 30.0.55 as a percent =
  31. 31.40% as a decimal =
  32. 32.40% as a decimal =
  33. 33.90% as a decimal =
  34. 34.0.875 as a percent =
  35. 35.0.85 as a percent =
  36. 36.Which fraction is 30%? (a) 3/4 (b) 3/10 (c) 13/20 (d) 9/20
  37. 37.20% as a decimal =
  38. 38.30% as a decimal =
  39. 39.0.5 as a percent =
  40. 40.0.9 as a percent =

Answer key

  1. 1/4
  2. 5
  3. 40
  4. 3/4
  5. 0.1
  6. 85
  7. 5
  8. 65
  9. 11/20
  10. 75
  11. 50
  12. 30
  13. 1/5
  14. 0.1
  15. 40
  16. 50
  17. 62.5
  18. 7/8
  19. 80
  20. 50
  21. 75
  22. 0.85
  23. 80
  24. 0.75
  25. 87.5
  26. 55
  27. 1/5
  28. 13/20
  29. 87.5
  30. 55
  31. 0.4
  32. 0.4
  33. 0.9
  34. 87.5
  35. 85
  36. 3/10
  37. 0.2
  38. 0.3
  39. 50
  40. 90

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