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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 685 · 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. 1.40% as a decimal =
  2. 2.0.1 as a percent =
  3. 3.85% as a decimal =
  4. 4.19/20 as a percent =
  5. 5.0.625 as a percent =
  6. 6.0.85 as a percent =
  7. 7.50% as a decimal =
  8. 8.10% as a decimal =
  9. 9.0.55 as a percent =
  10. 10.1/20 as a percent =
  11. 11.Which fraction is 0.9? (a) 7/20 (b) 3/20 (c) 3/4 (d) 9/10
  12. 12.Which fraction is 0.85? (a) 3/5 (b) 3/10 (c) 17/20 (d) 1/5
  13. 13.10% as a decimal =
  14. 14.Which fraction is 55%? (a) 11/20 (b) 1/10 (c) 3/10 (d) 1/5
  15. 15.Which fraction is 12.5%? (a) 2/5 (b) 1/2 (c) 1/8 (d) 13/20
  16. 16.0.625 as a percent =
  17. 17.2/5 as a percent =
  18. 18.0.5 as a percent =
  19. 19.3/4 as a percent =
  20. 20.5% as a decimal =
  21. 21.Which fraction is 0.9? (a) 1/5 (b) 9/10 (c) 19/20 (d) 7/20
  22. 22.80% as a decimal =
  23. 23.0.5 as a percent =
  24. 24.0.375 as a percent =
  25. 25.0.9 as a percent =
  26. 26.Which fraction is 20%? (a) 3/10 (b) 1/5 (c) 7/8 (d) 1/2
  27. 27.3/4 as a percent =
  28. 28.75% as a decimal =
  29. 29.4/5 as a percent =
  30. 30.Which fraction is 95%? (a) 5/8 (b) 1/8 (c) 13/20 (d) 19/20
  31. 31.55% as a decimal =
  32. 32.0.55 as a percent =
  33. 33.0.2 as a percent =
  34. 34.3/5 as a percent =
  35. 35.0.65 as a percent =
  36. 36.0.5 as a percent =
  37. 37.1/8 as a percent =
  38. 38.Which fraction is 0.4? (a) 1/5 (b) 9/10 (c) 2/5 (d) 3/10
  39. 39.0.55 as a percent =
  40. 40.3/10 as a percent =

Answer key

  1. 0.4
  2. 10
  3. 0.85
  4. 95
  5. 62.5
  6. 85
  7. 0.5
  8. 0.1
  9. 55
  10. 5
  11. 9/10
  12. 17/20
  13. 0.1
  14. 11/20
  15. 1/8
  16. 62.5
  17. 40
  18. 50
  19. 75
  20. 0.05
  21. 9/10
  22. 0.8
  23. 50
  24. 37.5
  25. 90
  26. 1/5
  27. 75
  28. 0.75
  29. 80
  30. 19/20
  31. 0.55
  32. 55
  33. 20
  34. 60
  35. 65
  36. 50
  37. 12.5
  38. 2/5
  39. 55
  40. 30

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