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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 373 · 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. 1.9/20 as a percent =
  2. 2.12.5% as a decimal =
  3. 3.10% as a decimal =
  4. 4.0.15 as a percent =
  5. 5.5% as a decimal =
  6. 6.Which fraction is 0.15? (a) 2/5 (b) 1/8 (c) 1/4 (d) 3/20
  7. 7.90% as a decimal =
  8. 8.19/20 as a percent =
  9. 9.65% as a decimal =
  10. 10.Which fraction is 55%? (a) 1/20 (b) 11/20 (c) 1/2 (d) 13/20
  11. 11.0.25 as a percent =
  12. 12.3/4 as a percent =
  13. 13.75% as a decimal =
  14. 14.13/20 as a percent =
  15. 15.0.35 as a percent =
  16. 16.62.5% as a decimal =
  17. 17.50% as a decimal =
  18. 18.0.35 as a percent =
  19. 19.20% as a decimal =
  20. 20.2/5 as a percent =
  21. 21.65% as a decimal =
  22. 22.15% as a decimal =
  23. 23.3/20 as a percent =
  24. 24.12.5% as a decimal =
  25. 25.3/4 as a percent =
  26. 26.1/10 as a percent =
  27. 27.Which fraction is 45%? (a) 1/20 (b) 9/20 (c) 7/10 (d) 1/2
  28. 28.0.9 as a percent =
  29. 29.40% as a decimal =
  30. 30.1/4 as a percent =
  31. 31.4/5 as a percent =
  32. 32.Which fraction is 65%? (a) 1/4 (b) 13/20 (c) 7/8 (d) 2/5
  33. 33.62.5% as a decimal =
  34. 34.0.625 as a percent =
  35. 35.1/2 as a percent =
  36. 36.Which fraction is 0.05? (a) 1/20 (b) 1/10 (c) 11/20 (d) 13/20
  37. 37.55% as a decimal =
  38. 38.Which fraction is 95%? (a) 7/20 (b) 19/20 (c) 1/2 (d) 1/10
  39. 39.90% as a decimal =
  40. 40.3/8 as a percent =

Answer key

  1. 45
  2. 0.125
  3. 0.1
  4. 15
  5. 0.05
  6. 3/20
  7. 0.9
  8. 95
  9. 0.65
  10. 11/20
  11. 25
  12. 75
  13. 0.75
  14. 65
  15. 35
  16. 0.625
  17. 0.5
  18. 35
  19. 0.2
  20. 40
  21. 0.65
  22. 0.15
  23. 15
  24. 0.125
  25. 75
  26. 10
  27. 9/20
  28. 90
  29. 0.4
  30. 25
  31. 80
  32. 13/20
  33. 0.625
  34. 62.5
  35. 50
  36. 1/20
  37. 0.55
  38. 19/20
  39. 0.9
  40. 37.5

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