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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 42 · 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. 1.3/5 as a percent =
  2. 2.15% as a decimal =
  3. 3.Which fraction is 25%? (a) 17/20 (b) 7/8 (c) 4/5 (d) 1/4
  4. 4.20% as a decimal =
  5. 5.Which fraction is 0.2? (a) 1/2 (b) 1/10 (c) 1/5 (d) 19/20
  6. 6.0.1 as a percent =
  7. 7.0.55 as a percent =
  8. 8.Which fraction is 12.5%? (a) 9/20 (b) 2/5 (c) 11/20 (d) 1/8
  9. 9.17/20 as a percent =
  10. 10.65% as a decimal =
  11. 11.37.5% as a decimal =
  12. 12.62.5% as a decimal =
  13. 13.2/5 as a percent =
  14. 14.0.35 as a percent =
  15. 15.7/8 as a percent =
  16. 16.7/8 as a percent =
  17. 17.3/10 as a percent =
  18. 18.1/20 as a percent =
  19. 19.20% as a decimal =
  20. 20.0.1 as a percent =
  21. 21.0.5 as a percent =
  22. 22.0.65 as a percent =
  23. 23.0.35 as a percent =
  24. 24.Which fraction is 40%? (a) 1/2 (b) 2/5 (c) 17/20 (d) 7/10
  25. 25.Which fraction is 0.15? (a) 1/2 (b) 5/8 (c) 3/20 (d) 2/5
  26. 26.1/20 as a percent =
  27. 27.1/10 as a percent =
  28. 28.0.625 as a percent =
  29. 29.Which fraction is 70%? (a) 5/8 (b) 3/4 (c) 9/20 (d) 7/10
  30. 30.95% as a decimal =
  31. 31.5% as a decimal =
  32. 32.13/20 as a percent =
  33. 33.Which fraction is 65%? (a) 1/5 (b) 19/20 (c) 13/20 (d) 3/10
  34. 34.7/8 as a percent =
  35. 35.0.05 as a percent =
  36. 36.10% as a decimal =
  37. 37.75% as a decimal =
  38. 38.15% as a decimal =
  39. 39.1/20 as a percent =
  40. 40.87.5% as a decimal =

Answer key

  1. 60
  2. 0.15
  3. 1/4
  4. 0.2
  5. 1/5
  6. 10
  7. 55
  8. 1/8
  9. 85
  10. 0.65
  11. 0.375
  12. 0.625
  13. 40
  14. 35
  15. 87.5
  16. 87.5
  17. 30
  18. 5
  19. 0.2
  20. 10
  21. 50
  22. 65
  23. 35
  24. 2/5
  25. 3/20
  26. 5
  27. 10
  28. 62.5
  29. 7/10
  30. 0.95
  31. 0.05
  32. 65
  33. 13/20
  34. 87.5
  35. 5
  36. 0.1
  37. 0.75
  38. 0.15
  39. 5
  40. 0.875

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