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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 122 · 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. 1.65% as a decimal =
  2. 2.Which fraction is 0.9? (a) 2/5 (b) 5/8 (c) 1/20 (d) 9/10
  3. 3.Which fraction is 0.375? (a) 3/8 (b) 1/4 (c) 3/5 (d) 3/20
  4. 4.20% as a decimal =
  5. 5.75% as a decimal =
  6. 6.0.6 as a percent =
  7. 7.0.2 as a percent =
  8. 8.3/4 as a percent =
  9. 9.0.5 as a percent =
  10. 10.0.5 as a percent =
  11. 11.3/8 as a percent =
  12. 12.50% as a decimal =
  13. 13.80% as a decimal =
  14. 14.0.1 as a percent =
  15. 15.Which fraction is 70%? (a) 7/20 (b) 9/10 (c) 7/10 (d) 3/8
  16. 16.5/8 as a percent =
  17. 17.Which fraction is 0.875? (a) 7/8 (b) 1/10 (c) 3/20 (d) 13/20
  18. 18.0.35 as a percent =
  19. 19.50% as a decimal =
  20. 20.90% as a decimal =
  21. 21.1/8 as a percent =
  22. 22.80% as a decimal =
  23. 23.Which fraction is 0.375? (a) 3/8 (b) 3/20 (c) 9/10 (d) 7/20
  24. 24.0.5 as a percent =
  25. 25.1/20 as a percent =
  26. 26.25% as a decimal =
  27. 27.1/2 as a percent =
  28. 28.95% as a decimal =
  29. 29.0.45 as a percent =
  30. 30.Which fraction is 0.375? (a) 7/10 (b) 2/5 (c) 3/8 (d) 4/5
  31. 31.0.3 as a percent =
  32. 32.0.375 as a percent =
  33. 33.0.6 as a percent =
  34. 34.1/10 as a percent =
  35. 35.19/20 as a percent =
  36. 36.Which fraction is 0.2? (a) 17/20 (b) 1/5 (c) 2/5 (d) 1/10
  37. 37.35% as a decimal =
  38. 38.15% as a decimal =
  39. 39.0.1 as a percent =
  40. 40.90% as a decimal =

Answer key

  1. 0.65
  2. 9/10
  3. 3/8
  4. 0.2
  5. 0.75
  6. 60
  7. 20
  8. 75
  9. 50
  10. 50
  11. 37.5
  12. 0.5
  13. 0.8
  14. 10
  15. 7/10
  16. 62.5
  17. 7/8
  18. 35
  19. 0.5
  20. 0.9
  21. 12.5
  22. 0.8
  23. 3/8
  24. 50
  25. 5
  26. 0.25
  27. 50
  28. 0.95
  29. 45
  30. 3/8
  31. 30
  32. 37.5
  33. 60
  34. 10
  35. 95
  36. 1/5
  37. 0.35
  38. 0.15
  39. 10
  40. 0.9

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