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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 77 · 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. 1.0.05 as a percent =
  2. 2.Which fraction is 5%? (a) 3/10 (b) 1/5 (c) 1/10 (d) 1/20
  3. 3.3/10 as a percent =
  4. 4.9/10 as a percent =
  5. 5.1/4 as a percent =
  6. 6.0.3 as a percent =
  7. 7.Which fraction is 0.1? (a) 4/5 (b) 1/4 (c) 17/20 (d) 1/10
  8. 8.Which fraction is 0.5? (a) 1/2 (b) 1/5 (c) 7/20 (d) 3/5
  9. 9.1/5 as a percent =
  10. 10.0.55 as a percent =
  11. 11.3/5 as a percent =
  12. 12.9/20 as a percent =
  13. 13.65% as a decimal =
  14. 14.60% as a decimal =
  15. 15.55% as a decimal =
  16. 16.5% as a decimal =
  17. 17.Which fraction is 0.8? (a) 5/8 (b) 4/5 (c) 13/20 (d) 9/20
  18. 18.3/20 as a percent =
  19. 19.3/20 as a percent =
  20. 20.0.8 as a percent =
  21. 21.62.5% as a decimal =
  22. 22.3/4 as a percent =
  23. 23.0.85 as a percent =
  24. 24.1/5 as a percent =
  25. 25.3/20 as a percent =
  26. 26.3/4 as a percent =
  27. 27.5/8 as a percent =
  28. 28.Which fraction is 45%? (a) 3/20 (b) 9/20 (c) 11/20 (d) 1/10
  29. 29.1/10 as a percent =
  30. 30.9/10 as a percent =
  31. 31.0.95 as a percent =
  32. 32.1/2 as a percent =
  33. 33.0.15 as a percent =
  34. 34.0.625 as a percent =
  35. 35.19/20 as a percent =
  36. 36.7/20 as a percent =
  37. 37.0.6 as a percent =
  38. 38.0.2 as a percent =
  39. 39.75% as a decimal =
  40. 40.1/5 as a percent =

Answer key

  1. 5
  2. 1/20
  3. 30
  4. 90
  5. 25
  6. 30
  7. 1/10
  8. 1/2
  9. 20
  10. 55
  11. 60
  12. 45
  13. 0.65
  14. 0.6
  15. 0.55
  16. 0.05
  17. 4/5
  18. 15
  19. 15
  20. 80
  21. 0.625
  22. 75
  23. 85
  24. 20
  25. 15
  26. 75
  27. 62.5
  28. 9/20
  29. 10
  30. 90
  31. 95
  32. 50
  33. 15
  34. 62.5
  35. 95
  36. 35
  37. 60
  38. 20
  39. 0.75
  40. 20

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