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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 120 · 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. 2.9/20 as a percent =
  3. 3.62.5% as a decimal =
  4. 4.0.45 as a percent =
  5. 5.Which fraction is 0.3? (a) 4/5 (b) 1/4 (c) 3/10 (d) 17/20
  6. 6.Which fraction is 0.75? (a) 1/10 (b) 3/4 (c) 1/5 (d) 17/20
  7. 7.19/20 as a percent =
  8. 8.3/4 as a percent =
  9. 9.50% as a decimal =
  10. 10.87.5% as a decimal =
  11. 11.0.625 as a percent =
  12. 12.35% as a decimal =
  13. 13.12.5% as a decimal =
  14. 14.0.35 as a percent =
  15. 15.Which fraction is 0.05? (a) 9/20 (b) 1/20 (c) 4/5 (d) 3/4
  16. 16.85% as a decimal =
  17. 17.4/5 as a percent =
  18. 18.Which fraction is 0.8? (a) 17/20 (b) 4/5 (c) 1/5 (d) 1/4
  19. 19.3/5 as a percent =
  20. 20.Which fraction is 35%? (a) 1/4 (b) 7/20 (c) 1/10 (d) 1/2
  21. 21.Which fraction is 0.375? (a) 1/20 (b) 3/20 (c) 3/8 (d) 19/20
  22. 22.Which fraction is 12.5%? (a) 7/8 (b) 1/8 (c) 9/10 (d) 4/5
  23. 23.15% as a decimal =
  24. 24.19/20 as a percent =
  25. 25.0.125 as a percent =
  26. 26.70% as a decimal =
  27. 27.3/4 as a percent =
  28. 28.0.15 as a percent =
  29. 29.87.5% as a decimal =
  30. 30.Which fraction is 12.5%? (a) 3/10 (b) 19/20 (c) 1/20 (d) 1/8
  31. 31.0.55 as a percent =
  32. 32.Which fraction is 45%? (a) 19/20 (b) 7/20 (c) 9/20 (d) 1/10
  33. 33.7/10 as a percent =
  34. 34.Which fraction is 30%? (a) 7/20 (b) 1/5 (c) 9/10 (d) 3/10
  35. 35.0.2 as a percent =
  36. 36.1/8 as a percent =
  37. 37.9/20 as a percent =
  38. 38.0.45 as a percent =
  39. 39.10% as a decimal =
  40. 40.Which fraction is 0.2? (a) 1/5 (b) 3/5 (c) 2/5 (d) 7/8

Answer key

  1. 0.65
  2. 45
  3. 0.625
  4. 45
  5. 3/10
  6. 3/4
  7. 95
  8. 75
  9. 0.5
  10. 0.875
  11. 62.5
  12. 0.35
  13. 0.125
  14. 35
  15. 1/20
  16. 0.85
  17. 80
  18. 4/5
  19. 60
  20. 7/20
  21. 3/8
  22. 1/8
  23. 0.15
  24. 95
  25. 12.5
  26. 0.7
  27. 75
  28. 15
  29. 0.875
  30. 1/8
  31. 55
  32. 9/20
  33. 70
  34. 3/10
  35. 20
  36. 12.5
  37. 45
  38. 45
  39. 0.1
  40. 1/5

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