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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 810 · 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 45%? (a) 9/20 (b) 11/20 (c) 13/20 (d) 4/5
  2. 2.50% as a decimal =
  3. 3.0.9 as a percent =
  4. 4.40% as a decimal =
  5. 5.40% as a decimal =
  6. 6.0.2 as a percent =
  7. 7.7/8 as a percent =
  8. 8.0.3 as a percent =
  9. 9.3/5 as a percent =
  10. 10.Which fraction is 15%? (a) 3/8 (b) 7/20 (c) 3/20 (d) 7/10
  11. 11.0.625 as a percent =
  12. 12.80% as a decimal =
  13. 13.Which fraction is 60%? (a) 3/5 (b) 5/8 (c) 1/5 (d) 7/10
  14. 14.7/20 as a percent =
  15. 15.7/10 as a percent =
  16. 16.4/5 as a percent =
  17. 17.19/20 as a percent =
  18. 18.0.875 as a percent =
  19. 19.40% as a decimal =
  20. 20.0.35 as a percent =
  21. 21.4/5 as a percent =
  22. 22.Which fraction is 85%? (a) 11/20 (b) 7/20 (c) 17/20 (d) 1/10
  23. 23.0.25 as a percent =
  24. 24.0.8 as a percent =
  25. 25.0.5 as a percent =
  26. 26.60% as a decimal =
  27. 27.70% as a decimal =
  28. 28.3/5 as a percent =
  29. 29.62.5% as a decimal =
  30. 30.0.9 as a percent =
  31. 31.0.9 as a percent =
  32. 32.1/10 as a percent =
  33. 33.60% as a decimal =
  34. 34.20% as a decimal =
  35. 35.0.5 as a percent =
  36. 36.40% as a decimal =
  37. 37.45% as a decimal =
  38. 38.0.25 as a percent =
  39. 39.10% as a decimal =
  40. 40.1/5 as a percent =

Answer key

  1. 9/20
  2. 0.5
  3. 90
  4. 0.4
  5. 0.4
  6. 20
  7. 87.5
  8. 30
  9. 60
  10. 3/20
  11. 62.5
  12. 0.8
  13. 3/5
  14. 35
  15. 70
  16. 80
  17. 95
  18. 87.5
  19. 0.4
  20. 35
  21. 80
  22. 17/20
  23. 25
  24. 80
  25. 50
  26. 0.6
  27. 0.7
  28. 60
  29. 0.625
  30. 90
  31. 90
  32. 10
  33. 0.6
  34. 0.2
  35. 50
  36. 0.4
  37. 0.45
  38. 25
  39. 0.1
  40. 20

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