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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 115 · 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 37.5%? (a) 3/8 (b) 3/4 (c) 7/20 (d) 5/8
  2. 2.17/20 as a percent =
  3. 3.2/5 as a percent =
  4. 4.75% as a decimal =
  5. 5.Which fraction is 0.9? (a) 9/20 (b) 19/20 (c) 1/8 (d) 9/10
  6. 6.50% as a decimal =
  7. 7.30% as a decimal =
  8. 8.70% as a decimal =
  9. 9.5% as a decimal =
  10. 10.85% as a decimal =
  11. 11.Which fraction is 15%? (a) 1/10 (b) 9/20 (c) 7/8 (d) 3/20
  12. 12.Which fraction is 55%? (a) 11/20 (b) 1/10 (c) 3/8 (d) 5/8
  13. 13.2/5 as a percent =
  14. 14.0.625 as a percent =
  15. 15.3/4 as a percent =
  16. 16.Which fraction is 60%? (a) 3/4 (b) 3/5 (c) 3/10 (d) 7/8
  17. 17.0.1 as a percent =
  18. 18.0.3 as a percent =
  19. 19.Which fraction is 0.375? (a) 3/8 (b) 13/20 (c) 19/20 (d) 1/2
  20. 20.50% as a decimal =
  21. 21.1/2 as a percent =
  22. 22.Which fraction is 20%? (a) 7/10 (b) 4/5 (c) 3/4 (d) 1/5
  23. 23.Which fraction is 55%? (a) 13/20 (b) 2/5 (c) 11/20 (d) 4/5
  24. 24.0.35 as a percent =
  25. 25.40% as a decimal =
  26. 26.17/20 as a percent =
  27. 27.62.5% as a decimal =
  28. 28.Which fraction is 0.4? (a) 9/10 (b) 19/20 (c) 2/5 (d) 1/5
  29. 29.12.5% as a decimal =
  30. 30.0.8 as a percent =
  31. 31.15% as a decimal =
  32. 32.0.1 as a percent =
  33. 33.80% as a decimal =
  34. 34.Which fraction is 75%? (a) 11/20 (b) 4/5 (c) 3/4 (d) 1/5
  35. 35.25% as a decimal =
  36. 36.Which fraction is 65%? (a) 13/20 (b) 1/10 (c) 3/20 (d) 2/5
  37. 37.3/20 as a percent =
  38. 38.Which fraction is 75%? (a) 3/4 (b) 5/8 (c) 7/10 (d) 4/5
  39. 39.20% as a decimal =
  40. 40.Which fraction is 0.1? (a) 7/10 (b) 19/20 (c) 1/10 (d) 1/8

Answer key

  1. 3/8
  2. 85
  3. 40
  4. 0.75
  5. 9/10
  6. 0.5
  7. 0.3
  8. 0.7
  9. 0.05
  10. 0.85
  11. 3/20
  12. 11/20
  13. 40
  14. 62.5
  15. 75
  16. 3/5
  17. 10
  18. 30
  19. 3/8
  20. 0.5
  21. 50
  22. 1/5
  23. 11/20
  24. 35
  25. 0.4
  26. 85
  27. 0.625
  28. 2/5
  29. 0.125
  30. 80
  31. 0.15
  32. 10
  33. 0.8
  34. 3/4
  35. 0.25
  36. 13/20
  37. 15
  38. 3/4
  39. 0.2
  40. 1/10

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