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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 602 · 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.Which fraction is 15%? (a) 3/5 (b) 3/20 (c) 13/20 (d) 5/8
  2. 2.0.55 as a percent =
  3. 3.65% as a decimal =
  4. 4.62.5% as a decimal =
  5. 5.Which fraction is 80%? (a) 7/8 (b) 2/5 (c) 13/20 (d) 4/5
  6. 6.30% as a decimal =
  7. 7.70% as a decimal =
  8. 8.0.35 as a percent =
  9. 9.10% as a decimal =
  10. 10.0.35 as a percent =
  11. 11.30% as a decimal =
  12. 12.Which fraction is 0.8? (a) 1/10 (b) 1/5 (c) 1/20 (d) 4/5
  13. 13.3/8 as a percent =
  14. 14.80% as a decimal =
  15. 15.Which fraction is 0.95? (a) 3/4 (b) 7/8 (c) 2/5 (d) 19/20
  16. 16.5% as a decimal =
  17. 17.5/8 as a percent =
  18. 18.35% as a decimal =
  19. 19.17/20 as a percent =
  20. 20.10% as a decimal =
  21. 21.87.5% as a decimal =
  22. 22.5% as a decimal =
  23. 23.15% as a decimal =
  24. 24.95% as a decimal =
  25. 25.95% as a decimal =
  26. 26.0.4 as a percent =
  27. 27.3/4 as a percent =
  28. 28.1/8 as a percent =
  29. 29.2/5 as a percent =
  30. 30.10% as a decimal =
  31. 31.4/5 as a percent =
  32. 32.1/2 as a percent =
  33. 33.0.8 as a percent =
  34. 34.3/20 as a percent =
  35. 35.1/5 as a percent =
  36. 36.1/4 as a percent =
  37. 37.25% as a decimal =
  38. 38.9/20 as a percent =
  39. 39.12.5% as a decimal =
  40. 40.Which fraction is 90%? (a) 3/20 (b) 9/10 (c) 3/4 (d) 3/10

Answer key

  1. 3/20
  2. 55
  3. 0.65
  4. 0.625
  5. 4/5
  6. 0.3
  7. 0.7
  8. 35
  9. 0.1
  10. 35
  11. 0.3
  12. 4/5
  13. 37.5
  14. 0.8
  15. 19/20
  16. 0.05
  17. 62.5
  18. 0.35
  19. 85
  20. 0.1
  21. 0.875
  22. 0.05
  23. 0.15
  24. 0.95
  25. 0.95
  26. 40
  27. 75
  28. 12.5
  29. 40
  30. 0.1
  31. 80
  32. 50
  33. 80
  34. 15
  35. 20
  36. 25
  37. 0.25
  38. 45
  39. 0.125
  40. 9/10

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