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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 325 · 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. 1.12.5% as a decimal =
  2. 2.0.05 as a percent =
  3. 3.Which fraction is 45%? (a) 9/20 (b) 3/8 (c) 1/8 (d) 7/20
  4. 4.4/5 as a percent =
  5. 5.10% as a decimal =
  6. 6.Which fraction is 15%? (a) 3/4 (b) 11/20 (c) 3/20 (d) 1/4
  7. 7.Which fraction is 15%? (a) 3/4 (b) 5/8 (c) 3/20 (d) 9/10
  8. 8.0.35 as a percent =
  9. 9.75% as a decimal =
  10. 10.12.5% as a decimal =
  11. 11.0.35 as a percent =
  12. 12.40% as a decimal =
  13. 13.3/5 as a percent =
  14. 14.0.1 as a percent =
  15. 15.95% as a decimal =
  16. 16.Which fraction is 50%? (a) 1/2 (b) 9/20 (c) 1/4 (d) 3/10
  17. 17.0.375 as a percent =
  18. 18.85% as a decimal =
  19. 19.1/5 as a percent =
  20. 20.35% as a decimal =
  21. 21.Which fraction is 85%? (a) 7/8 (b) 3/5 (c) 19/20 (d) 17/20
  22. 22.1/2 as a percent =
  23. 23.3/4 as a percent =
  24. 24.0.35 as a percent =
  25. 25.20% as a decimal =
  26. 26.3/10 as a percent =
  27. 27.1/4 as a percent =
  28. 28.0.8 as a percent =
  29. 29.3/4 as a percent =
  30. 30.11/20 as a percent =
  31. 31.62.5% as a decimal =
  32. 32.Which fraction is 0.85? (a) 1/20 (b) 3/10 (c) 17/20 (d) 3/8
  33. 33.Which fraction is 0.2? (a) 19/20 (b) 3/4 (c) 13/20 (d) 1/5
  34. 34.0.1 as a percent =
  35. 35.Which fraction is 0.375? (a) 7/8 (b) 9/20 (c) 3/8 (d) 7/20
  36. 36.30% as a decimal =
  37. 37.35% as a decimal =
  38. 38.Which fraction is 0.85? (a) 1/8 (b) 1/20 (c) 19/20 (d) 17/20
  39. 39.0.4 as a percent =
  40. 40.30% as a decimal =

Answer key

  1. 0.125
  2. 5
  3. 9/20
  4. 80
  5. 0.1
  6. 3/20
  7. 3/20
  8. 35
  9. 0.75
  10. 0.125
  11. 35
  12. 0.4
  13. 60
  14. 10
  15. 0.95
  16. 1/2
  17. 37.5
  18. 0.85
  19. 20
  20. 0.35
  21. 17/20
  22. 50
  23. 75
  24. 35
  25. 0.2
  26. 30
  27. 25
  28. 80
  29. 75
  30. 55
  31. 0.625
  32. 17/20
  33. 1/5
  34. 10
  35. 3/8
  36. 0.3
  37. 0.35
  38. 17/20
  39. 40
  40. 0.3

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