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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 870 · 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. 1.0.2 as a percent =
  2. 2.80% as a decimal =
  3. 3.50% as a decimal =
  4. 4.0.625 as a percent =
  5. 5.Which fraction is 0.25? (a) 13/20 (b) 1/5 (c) 3/4 (d) 1/4
  6. 6.0.4 as a percent =
  7. 7.Which fraction is 45%? (a) 19/20 (b) 11/20 (c) 7/10 (d) 9/20
  8. 8.17/20 as a percent =
  9. 9.62.5% as a decimal =
  10. 10.35% as a decimal =
  11. 11.4/5 as a percent =
  12. 12.62.5% as a decimal =
  13. 13.Which fraction is 65%? (a) 1/5 (b) 9/10 (c) 7/10 (d) 13/20
  14. 14.40% as a decimal =
  15. 15.5/8 as a percent =
  16. 16.1/2 as a percent =
  17. 17.0.9 as a percent =
  18. 18.9/20 as a percent =
  19. 19.85% as a decimal =
  20. 20.70% as a decimal =
  21. 21.40% as a decimal =
  22. 22.Which fraction is 45%? (a) 1/10 (b) 7/10 (c) 9/20 (d) 2/5
  23. 23.Which fraction is 80%? (a) 2/5 (b) 7/8 (c) 3/20 (d) 4/5
  24. 24.1/4 as a percent =
  25. 25.0.65 as a percent =
  26. 26.Which fraction is 0.3? (a) 3/5 (b) 7/8 (c) 3/10 (d) 17/20
  27. 27.Which fraction is 15%? (a) 3/8 (b) 1/2 (c) 3/20 (d) 5/8
  28. 28.0.85 as a percent =
  29. 29.3/20 as a percent =
  30. 30.5/8 as a percent =
  31. 31.85% as a decimal =
  32. 32.Which fraction is 0.3? (a) 3/10 (b) 4/5 (c) 3/4 (d) 7/8
  33. 33.10% as a decimal =
  34. 34.1/10 as a percent =
  35. 35.1/5 as a percent =
  36. 36.Which fraction is 80%? (a) 1/5 (b) 5/8 (c) 7/10 (d) 4/5
  37. 37.70% as a decimal =
  38. 38.60% as a decimal =
  39. 39.0.7 as a percent =
  40. 40.50% as a decimal =

Answer key

  1. 20
  2. 0.8
  3. 0.5
  4. 62.5
  5. 1/4
  6. 40
  7. 9/20
  8. 85
  9. 0.625
  10. 0.35
  11. 80
  12. 0.625
  13. 13/20
  14. 0.4
  15. 62.5
  16. 50
  17. 90
  18. 45
  19. 0.85
  20. 0.7
  21. 0.4
  22. 9/20
  23. 4/5
  24. 25
  25. 65
  26. 3/10
  27. 3/20
  28. 85
  29. 15
  30. 62.5
  31. 0.85
  32. 3/10
  33. 0.1
  34. 10
  35. 20
  36. 4/5
  37. 0.7
  38. 0.6
  39. 70
  40. 0.5

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