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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 178 · 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. 1.0.3 as a percent =
  2. 2.1/10 as a percent =
  3. 3.0.625 as a percent =
  4. 4.3/10 as a percent =
  5. 5.5/8 as a percent =
  6. 6.62.5% as a decimal =
  7. 7.0.6 as a percent =
  8. 8.15% as a decimal =
  9. 9.2/5 as a percent =
  10. 10.Which fraction is 65%? (a) 7/20 (b) 7/8 (c) 1/20 (d) 13/20
  11. 11.1/5 as a percent =
  12. 12.2/5 as a percent =
  13. 13.5/8 as a percent =
  14. 14.Which fraction is 12.5%? (a) 1/2 (b) 4/5 (c) 1/8 (d) 11/20
  15. 15.0.65 as a percent =
  16. 16.15% as a decimal =
  17. 17.13/20 as a percent =
  18. 18.12.5% as a decimal =
  19. 19.Which fraction is 0.05? (a) 5/8 (b) 4/5 (c) 1/20 (d) 1/5
  20. 20.1/5 as a percent =
  21. 21.40% as a decimal =
  22. 22.Which fraction is 87.5%? (a) 7/20 (b) 1/4 (c) 7/8 (d) 1/10
  23. 23.0.625 as a percent =
  24. 24.40% as a decimal =
  25. 25.20% as a decimal =
  26. 26.20% as a decimal =
  27. 27.87.5% as a decimal =
  28. 28.3/4 as a percent =
  29. 29.80% as a decimal =
  30. 30.37.5% as a decimal =
  31. 31.Which fraction is 15%? (a) 3/10 (b) 3/5 (c) 3/20 (d) 19/20
  32. 32.0.45 as a percent =
  33. 33.Which fraction is 85%? (a) 17/20 (b) 3/20 (c) 1/5 (d) 2/5
  34. 34.90% as a decimal =
  35. 35.Which fraction is 25%? (a) 4/5 (b) 1/4 (c) 1/10 (d) 2/5
  36. 36.62.5% as a decimal =
  37. 37.65% as a decimal =
  38. 38.0.875 as a percent =
  39. 39.Which fraction is 20%? (a) 7/8 (b) 3/8 (c) 1/20 (d) 1/5
  40. 40.90% as a decimal =

Answer key

  1. 30
  2. 10
  3. 62.5
  4. 30
  5. 62.5
  6. 0.625
  7. 60
  8. 0.15
  9. 40
  10. 13/20
  11. 20
  12. 40
  13. 62.5
  14. 1/8
  15. 65
  16. 0.15
  17. 65
  18. 0.125
  19. 1/20
  20. 20
  21. 0.4
  22. 7/8
  23. 62.5
  24. 0.4
  25. 0.2
  26. 0.2
  27. 0.875
  28. 75
  29. 0.8
  30. 0.375
  31. 3/20
  32. 45
  33. 17/20
  34. 0.9
  35. 1/4
  36. 0.625
  37. 0.65
  38. 87.5
  39. 1/5
  40. 0.9

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