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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 351 · 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. 1.0.25 as a percent =
  2. 2.1/10 as a percent =
  3. 3.Which fraction is 0.375? (a) 3/8 (b) 7/20 (c) 1/4 (d) 1/5
  4. 4.Which fraction is 0.5? (a) 17/20 (b) 1/2 (c) 3/5 (d) 3/10
  5. 5.20% as a decimal =
  6. 6.0.1 as a percent =
  7. 7.0.9 as a percent =
  8. 8.62.5% as a decimal =
  9. 9.70% as a decimal =
  10. 10.1/8 as a percent =
  11. 11.0.2 as a percent =
  12. 12.70% as a decimal =
  13. 13.Which fraction is 0.05? (a) 1/20 (b) 19/20 (c) 1/4 (d) 3/4
  14. 14.4/5 as a percent =
  15. 15.0.15 as a percent =
  16. 16.Which fraction is 0.75? (a) 19/20 (b) 3/5 (c) 3/4 (d) 2/5
  17. 17.1/20 as a percent =
  18. 18.1/4 as a percent =
  19. 19.1/4 as a percent =
  20. 20.30% as a decimal =
  21. 21.95% as a decimal =
  22. 22.25% as a decimal =
  23. 23.30% as a decimal =
  24. 24.0.9 as a percent =
  25. 25.17/20 as a percent =
  26. 26.0.1 as a percent =
  27. 27.0.7 as a percent =
  28. 28.15% as a decimal =
  29. 29.0.15 as a percent =
  30. 30.4/5 as a percent =
  31. 31.Which fraction is 0.55? (a) 1/2 (b) 11/20 (c) 1/20 (d) 3/8
  32. 32.3/20 as a percent =
  33. 33.55% as a decimal =
  34. 34.Which fraction is 85%? (a) 1/20 (b) 3/10 (c) 1/8 (d) 17/20
  35. 35.90% as a decimal =
  36. 36.3/20 as a percent =
  37. 37.75% as a decimal =
  38. 38.1/2 as a percent =
  39. 39.3/8 as a percent =
  40. 40.0.5 as a percent =

Answer key

  1. 25
  2. 10
  3. 3/8
  4. 1/2
  5. 0.2
  6. 10
  7. 90
  8. 0.625
  9. 0.7
  10. 12.5
  11. 20
  12. 0.7
  13. 1/20
  14. 80
  15. 15
  16. 3/4
  17. 5
  18. 25
  19. 25
  20. 0.3
  21. 0.95
  22. 0.25
  23. 0.3
  24. 90
  25. 85
  26. 10
  27. 70
  28. 0.15
  29. 15
  30. 80
  31. 11/20
  32. 15
  33. 0.55
  34. 17/20
  35. 0.9
  36. 15
  37. 0.75
  38. 50
  39. 37.5
  40. 50

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