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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 447 · 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. 1.5% as a decimal =
  2. 2.Which fraction is 20%? (a) 3/8 (b) 17/20 (c) 1/5 (d) 1/4
  3. 3.25% as a decimal =
  4. 4.80% as a decimal =
  5. 5.40% as a decimal =
  6. 6.0.85 as a percent =
  7. 7.3/5 as a percent =
  8. 8.5% as a decimal =
  9. 9.3/8 as a percent =
  10. 10.0.4 as a percent =
  11. 11.Which fraction is 10%? (a) 3/8 (b) 1/10 (c) 7/10 (d) 4/5
  12. 12.0.9 as a percent =
  13. 13.Which fraction is 50%? (a) 1/10 (b) 7/8 (c) 1/8 (d) 1/2
  14. 14.37.5% as a decimal =
  15. 15.3/8 as a percent =
  16. 16.0.85 as a percent =
  17. 17.13/20 as a percent =
  18. 18.0.1 as a percent =
  19. 19.0.55 as a percent =
  20. 20.30% as a decimal =
  21. 21.0.2 as a percent =
  22. 22.37.5% as a decimal =
  23. 23.0.55 as a percent =
  24. 24.5/8 as a percent =
  25. 25.3/5 as a percent =
  26. 26.3/4 as a percent =
  27. 27.Which fraction is 87.5%? (a) 1/4 (b) 1/20 (c) 2/5 (d) 7/8
  28. 28.Which fraction is 25%? (a) 2/5 (b) 9/10 (c) 3/10 (d) 1/4
  29. 29.45% as a decimal =
  30. 30.0.85 as a percent =
  31. 31.Which fraction is 5%? (a) 7/20 (b) 1/20 (c) 1/10 (d) 7/8
  32. 32.40% as a decimal =
  33. 33.0.85 as a percent =
  34. 34.7/20 as a percent =
  35. 35.15% as a decimal =
  36. 36.1/10 as a percent =
  37. 37.0.15 as a percent =
  38. 38.Which fraction is 0.95? (a) 1/10 (b) 19/20 (c) 3/10 (d) 7/10
  39. 39.0.4 as a percent =
  40. 40.0.05 as a percent =

Answer key

  1. 0.05
  2. 1/5
  3. 0.25
  4. 0.8
  5. 0.4
  6. 85
  7. 60
  8. 0.05
  9. 37.5
  10. 40
  11. 1/10
  12. 90
  13. 1/2
  14. 0.375
  15. 37.5
  16. 85
  17. 65
  18. 10
  19. 55
  20. 0.3
  21. 20
  22. 0.375
  23. 55
  24. 62.5
  25. 60
  26. 75
  27. 7/8
  28. 1/4
  29. 0.45
  30. 85
  31. 1/20
  32. 0.4
  33. 85
  34. 35
  35. 0.15
  36. 10
  37. 15
  38. 19/20
  39. 40
  40. 5

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