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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 840 · 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 20%? (a) 1/10 (b) 1/5 (c) 3/4 (d) 13/20
  2. 2.0.8 as a percent =
  3. 3.0.55 as a percent =
  4. 4.80% as a decimal =
  5. 5.Which fraction is 20%? (a) 3/4 (b) 1/2 (c) 9/10 (d) 1/5
  6. 6.Which fraction is 70%? (a) 1/5 (b) 1/20 (c) 1/2 (d) 7/10
  7. 7.10% as a decimal =
  8. 8.87.5% as a decimal =
  9. 9.1/10 as a percent =
  10. 10.0.8 as a percent =
  11. 11.0.95 as a percent =
  12. 12.0.5 as a percent =
  13. 13.1/2 as a percent =
  14. 14.Which fraction is 25%? (a) 1/5 (b) 1/4 (c) 1/10 (d) 9/20
  15. 15.25% as a decimal =
  16. 16.10% as a decimal =
  17. 17.Which fraction is 5%? (a) 11/20 (b) 1/20 (c) 7/8 (d) 9/20
  18. 18.40% as a decimal =
  19. 19.7/20 as a percent =
  20. 20.Which fraction is 25%? (a) 1/4 (b) 5/8 (c) 1/5 (d) 3/4
  21. 21.60% as a decimal =
  22. 22.37.5% as a decimal =
  23. 23.37.5% as a decimal =
  24. 24.7/8 as a percent =
  25. 25.11/20 as a percent =
  26. 26.1/4 as a percent =
  27. 27.0.625 as a percent =
  28. 28.0.1 as a percent =
  29. 29.7/20 as a percent =
  30. 30.Which fraction is 15%? (a) 1/8 (b) 3/4 (c) 3/20 (d) 5/8
  31. 31.40% as a decimal =
  32. 32.0.4 as a percent =
  33. 33.0.4 as a percent =
  34. 34.0.6 as a percent =
  35. 35.1/2 as a percent =
  36. 36.60% as a decimal =
  37. 37.9/20 as a percent =
  38. 38.Which fraction is 50%? (a) 1/10 (b) 1/2 (c) 3/5 (d) 1/20
  39. 39.Which fraction is 15%? (a) 5/8 (b) 9/20 (c) 1/8 (d) 3/20
  40. 40.3/10 as a percent =

Answer key

  1. 1/5
  2. 80
  3. 55
  4. 0.8
  5. 1/5
  6. 7/10
  7. 0.1
  8. 0.875
  9. 10
  10. 80
  11. 95
  12. 50
  13. 50
  14. 1/4
  15. 0.25
  16. 0.1
  17. 1/20
  18. 0.4
  19. 35
  20. 1/4
  21. 0.6
  22. 0.375
  23. 0.375
  24. 87.5
  25. 55
  26. 25
  27. 62.5
  28. 10
  29. 35
  30. 3/20
  31. 0.4
  32. 40
  33. 40
  34. 60
  35. 50
  36. 0.6
  37. 45
  38. 1/2
  39. 3/20
  40. 30

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