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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 657 · 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 0.7? (a) 1/2 (b) 3/10 (c) 7/10 (d) 3/4
  2. 2.15% as a decimal =
  3. 3.7/10 as a percent =
  4. 4.Which fraction is 50%? (a) 7/10 (b) 7/20 (c) 3/4 (d) 1/2
  5. 5.90% as a decimal =
  6. 6.50% as a decimal =
  7. 7.7/20 as a percent =
  8. 8.19/20 as a percent =
  9. 9.40% as a decimal =
  10. 10.0.2 as a percent =
  11. 11.7/8 as a percent =
  12. 12.3/8 as a percent =
  13. 13.35% as a decimal =
  14. 14.1/8 as a percent =
  15. 15.0.1 as a percent =
  16. 16.Which fraction is 0.95? (a) 1/2 (b) 19/20 (c) 9/10 (d) 17/20
  17. 17.Which fraction is 0.9? (a) 9/10 (b) 19/20 (c) 1/5 (d) 5/8
  18. 18.1/5 as a percent =
  19. 19.80% as a decimal =
  20. 20.0.4 as a percent =
  21. 21.1/5 as a percent =
  22. 22.Which fraction is 0.625? (a) 1/10 (b) 19/20 (c) 1/4 (d) 5/8
  23. 23.90% as a decimal =
  24. 24.Which fraction is 70%? (a) 1/8 (b) 3/10 (c) 1/10 (d) 7/10
  25. 25.0.05 as a percent =
  26. 26.3/10 as a percent =
  27. 27.0.65 as a percent =
  28. 28.Which fraction is 70%? (a) 17/20 (b) 7/10 (c) 3/4 (d) 3/10
  29. 29.7/20 as a percent =
  30. 30.Which fraction is 0.4? (a) 2/5 (b) 1/4 (c) 7/10 (d) 3/20
  31. 31.7/8 as a percent =
  32. 32.62.5% as a decimal =
  33. 33.Which fraction is 75%? (a) 1/5 (b) 3/4 (c) 3/5 (d) 1/10
  34. 34.Which fraction is 90%? (a) 1/5 (b) 3/20 (c) 9/10 (d) 1/8
  35. 35.0.2 as a percent =
  36. 36.Which fraction is 20%? (a) 1/20 (b) 3/20 (c) 1/5 (d) 2/5
  37. 37.7/8 as a percent =
  38. 38.15% as a decimal =
  39. 39.Which fraction is 85%? (a) 2/5 (b) 3/20 (c) 17/20 (d) 3/10
  40. 40.62.5% as a decimal =

Answer key

  1. 7/10
  2. 0.15
  3. 70
  4. 1/2
  5. 0.9
  6. 0.5
  7. 35
  8. 95
  9. 0.4
  10. 20
  11. 87.5
  12. 37.5
  13. 0.35
  14. 12.5
  15. 10
  16. 19/20
  17. 9/10
  18. 20
  19. 0.8
  20. 40
  21. 20
  22. 5/8
  23. 0.9
  24. 7/10
  25. 5
  26. 30
  27. 65
  28. 7/10
  29. 35
  30. 2/5
  31. 87.5
  32. 0.625
  33. 3/4
  34. 9/10
  35. 20
  36. 1/5
  37. 87.5
  38. 0.15
  39. 17/20
  40. 0.625

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