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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 232 · 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. 1.1/5 as a percent =
  2. 2.0.85 as a percent =
  3. 3.7/20 as a percent =
  4. 4.0.45 as a percent =
  5. 5.Which fraction is 62.5%? (a) 1/4 (b) 3/4 (c) 9/20 (d) 5/8
  6. 6.20% as a decimal =
  7. 7.Which fraction is 12.5%? (a) 1/5 (b) 9/10 (c) 17/20 (d) 1/8
  8. 8.Which fraction is 20%? (a) 1/5 (b) 9/10 (c) 11/20 (d) 4/5
  9. 9.Which fraction is 25%? (a) 5/8 (b) 1/5 (c) 1/4 (d) 9/20
  10. 10.13/20 as a percent =
  11. 11.60% as a decimal =
  12. 12.0.55 as a percent =
  13. 13.Which fraction is 5%? (a) 1/5 (b) 2/5 (c) 1/20 (d) 7/20
  14. 14.Which fraction is 35%? (a) 7/20 (b) 1/10 (c) 19/20 (d) 7/10
  15. 15.87.5% as a decimal =
  16. 16.1/2 as a percent =
  17. 17.Which fraction is 0.85? (a) 3/8 (b) 9/20 (c) 17/20 (d) 1/4
  18. 18.70% as a decimal =
  19. 19.Which fraction is 20%? (a) 9/20 (b) 1/10 (c) 2/5 (d) 1/5
  20. 20.1/2 as a percent =
  21. 21.Which fraction is 0.5? (a) 5/8 (b) 1/8 (c) 1/4 (d) 1/2
  22. 22.3/5 as a percent =
  23. 23.13/20 as a percent =
  24. 24.0.7 as a percent =
  25. 25.Which fraction is 5%? (a) 3/4 (b) 1/20 (c) 4/5 (d) 7/8
  26. 26.25% as a decimal =
  27. 27.1/10 as a percent =
  28. 28.1/10 as a percent =
  29. 29.25% as a decimal =
  30. 30.45% as a decimal =
  31. 31.40% as a decimal =
  32. 32.0.5 as a percent =
  33. 33.0.8 as a percent =
  34. 34.30% as a decimal =
  35. 35.90% as a decimal =
  36. 36.7/8 as a percent =
  37. 37.0.45 as a percent =
  38. 38.40% as a decimal =
  39. 39.0.2 as a percent =
  40. 40.25% as a decimal =

Answer key

  1. 20
  2. 85
  3. 35
  4. 45
  5. 5/8
  6. 0.2
  7. 1/8
  8. 1/5
  9. 1/4
  10. 65
  11. 0.6
  12. 55
  13. 1/20
  14. 7/20
  15. 0.875
  16. 50
  17. 17/20
  18. 0.7
  19. 1/5
  20. 50
  21. 1/2
  22. 60
  23. 65
  24. 70
  25. 1/20
  26. 0.25
  27. 10
  28. 10
  29. 0.25
  30. 0.45
  31. 0.4
  32. 50
  33. 80
  34. 0.3
  35. 0.9
  36. 87.5
  37. 45
  38. 0.4
  39. 20
  40. 0.25

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