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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 576 · 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. 1.1/8 as a percent =
  2. 2.Which fraction is 0.15? (a) 1/4 (b) 3/4 (c) 7/10 (d) 3/20
  3. 3.Which fraction is 80%? (a) 1/2 (b) 4/5 (c) 17/20 (d) 7/10
  4. 4.3/5 as a percent =
  5. 5.7/20 as a percent =
  6. 6.1/2 as a percent =
  7. 7.Which fraction is 85%? (a) 3/20 (b) 1/20 (c) 17/20 (d) 3/4
  8. 8.9/20 as a percent =
  9. 9.Which fraction is 75%? (a) 3/4 (b) 11/20 (c) 1/5 (d) 1/20
  10. 10.1/2 as a percent =
  11. 11.0.375 as a percent =
  12. 12.0.625 as a percent =
  13. 13.0.2 as a percent =
  14. 14.Which fraction is 40%? (a) 1/8 (b) 1/5 (c) 11/20 (d) 2/5
  15. 15.0.85 as a percent =
  16. 16.Which fraction is 0.85? (a) 7/10 (b) 17/20 (c) 3/4 (d) 1/2
  17. 17.3/10 as a percent =
  18. 18.17/20 as a percent =
  19. 19.3/4 as a percent =
  20. 20.15% as a decimal =
  21. 21.40% as a decimal =
  22. 22.3/4 as a percent =
  23. 23.0.1 as a percent =
  24. 24.87.5% as a decimal =
  25. 25.0.85 as a percent =
  26. 26.70% as a decimal =
  27. 27.30% as a decimal =
  28. 28.0.3 as a percent =
  29. 29.Which fraction is 5%? (a) 9/10 (b) 1/20 (c) 3/20 (d) 3/10
  30. 30.70% as a decimal =
  31. 31.90% as a decimal =
  32. 32.45% as a decimal =
  33. 33.Which fraction is 15%? (a) 3/20 (b) 9/10 (c) 2/5 (d) 3/4
  34. 34.Which fraction is 10%? (a) 7/20 (b) 7/8 (c) 1/10 (d) 3/4
  35. 35.1/4 as a percent =
  36. 36.0.45 as a percent =
  37. 37.17/20 as a percent =
  38. 38.Which fraction is 0.4? (a) 1/20 (b) 3/20 (c) 9/10 (d) 2/5
  39. 39.0.8 as a percent =
  40. 40.0.1 as a percent =

Answer key

  1. 12.5
  2. 3/20
  3. 4/5
  4. 60
  5. 35
  6. 50
  7. 17/20
  8. 45
  9. 3/4
  10. 50
  11. 37.5
  12. 62.5
  13. 20
  14. 2/5
  15. 85
  16. 17/20
  17. 30
  18. 85
  19. 75
  20. 0.15
  21. 0.4
  22. 75
  23. 10
  24. 0.875
  25. 85
  26. 0.7
  27. 0.3
  28. 30
  29. 1/20
  30. 0.7
  31. 0.9
  32. 0.45
  33. 3/20
  34. 1/10
  35. 25
  36. 45
  37. 85
  38. 2/5
  39. 80
  40. 10

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