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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 20 · 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. 1.5/8 as a percent =
  2. 2.0.6 as a percent =
  3. 3.3/8 as a percent =
  4. 4.25% as a decimal =
  5. 5.40% as a decimal =
  6. 6.4/5 as a percent =
  7. 7.3/8 as a percent =
  8. 8.Which fraction is 35%? (a) 7/20 (b) 13/20 (c) 11/20 (d) 4/5
  9. 9.0.85 as a percent =
  10. 10.0.15 as a percent =
  11. 11.0.55 as a percent =
  12. 12.Which fraction is 75%? (a) 3/4 (b) 3/20 (c) 11/20 (d) 13/20
  13. 13.Which fraction is 0.15? (a) 2/5 (b) 7/8 (c) 3/20 (d) 11/20
  14. 14.55% as a decimal =
  15. 15.60% as a decimal =
  16. 16.Which fraction is 90%? (a) 3/10 (b) 1/20 (c) 9/10 (d) 7/20
  17. 17.Which fraction is 0.45? (a) 7/10 (b) 1/2 (c) 3/5 (d) 9/20
  18. 18.62.5% as a decimal =
  19. 19.Which fraction is 0.55? (a) 1/20 (b) 11/20 (c) 17/20 (d) 13/20
  20. 20.90% as a decimal =
  21. 21.Which fraction is 40%? (a) 2/5 (b) 1/4 (c) 4/5 (d) 3/20
  22. 22.40% as a decimal =
  23. 23.9/10 as a percent =
  24. 24.87.5% as a decimal =
  25. 25.Which fraction is 0.45? (a) 1/8 (b) 9/20 (c) 3/10 (d) 3/8
  26. 26.20% as a decimal =
  27. 27.1/8 as a percent =
  28. 28.Which fraction is 55%? (a) 3/8 (b) 4/5 (c) 11/20 (d) 3/10
  29. 29.62.5% as a decimal =
  30. 30.1/2 as a percent =
  31. 31.3/20 as a percent =
  32. 32.1/10 as a percent =
  33. 33.0.9 as a percent =
  34. 34.0.9 as a percent =
  35. 35.1/20 as a percent =
  36. 36.62.5% as a decimal =
  37. 37.Which fraction is 0.125? (a) 7/20 (b) 5/8 (c) 1/8 (d) 1/2
  38. 38.1/2 as a percent =
  39. 39.5% as a decimal =
  40. 40.80% as a decimal =

Answer key

  1. 62.5
  2. 60
  3. 37.5
  4. 0.25
  5. 0.4
  6. 80
  7. 37.5
  8. 7/20
  9. 85
  10. 15
  11. 55
  12. 3/4
  13. 3/20
  14. 0.55
  15. 0.6
  16. 9/10
  17. 9/20
  18. 0.625
  19. 11/20
  20. 0.9
  21. 2/5
  22. 0.4
  23. 90
  24. 0.875
  25. 9/20
  26. 0.2
  27. 12.5
  28. 11/20
  29. 0.625
  30. 50
  31. 15
  32. 10
  33. 90
  34. 90
  35. 5
  36. 0.625
  37. 1/8
  38. 50
  39. 0.05
  40. 0.8

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