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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 252 · 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. 1.12.5% as a decimal =
  2. 2.60% as a decimal =
  3. 3.3/8 as a percent =
  4. 4.1/5 as a percent =
  5. 5.Which fraction is 0.2? (a) 17/20 (b) 9/10 (c) 4/5 (d) 1/5
  6. 6.Which fraction is 0.25? (a) 1/8 (b) 1/2 (c) 1/4 (d) 5/8
  7. 7.0.3 as a percent =
  8. 8.12.5% as a decimal =
  9. 9.0.65 as a percent =
  10. 10.1/5 as a percent =
  11. 11.62.5% as a decimal =
  12. 12.15% as a decimal =
  13. 13.85% as a decimal =
  14. 14.0.7 as a percent =
  15. 15.13/20 as a percent =
  16. 16.1/8 as a percent =
  17. 17.Which fraction is 25%? (a) 1/4 (b) 1/5 (c) 3/8 (d) 9/20
  18. 18.0.875 as a percent =
  19. 19.7/8 as a percent =
  20. 20.1/5 as a percent =
  21. 21.0.5 as a percent =
  22. 22.0.1 as a percent =
  23. 23.7/20 as a percent =
  24. 24.7/10 as a percent =
  25. 25.0.4 as a percent =
  26. 26.Which fraction is 95%? (a) 11/20 (b) 19/20 (c) 4/5 (d) 3/5
  27. 27.35% as a decimal =
  28. 28.30% as a decimal =
  29. 29.17/20 as a percent =
  30. 30.12.5% as a decimal =
  31. 31.Which fraction is 10%? (a) 7/8 (b) 4/5 (c) 9/20 (d) 1/10
  32. 32.0.2 as a percent =
  33. 33.0.35 as a percent =
  34. 34.Which fraction is 0.5? (a) 3/8 (b) 9/20 (c) 3/4 (d) 1/2
  35. 35.0.85 as a percent =
  36. 36.10% as a decimal =
  37. 37.30% as a decimal =
  38. 38.70% as a decimal =
  39. 39.90% as a decimal =
  40. 40.Which fraction is 50%? (a) 1/4 (b) 3/8 (c) 9/10 (d) 1/2

Answer key

  1. 0.125
  2. 0.6
  3. 37.5
  4. 20
  5. 1/5
  6. 1/4
  7. 30
  8. 0.125
  9. 65
  10. 20
  11. 0.625
  12. 0.15
  13. 0.85
  14. 70
  15. 65
  16. 12.5
  17. 1/4
  18. 87.5
  19. 87.5
  20. 20
  21. 50
  22. 10
  23. 35
  24. 70
  25. 40
  26. 19/20
  27. 0.35
  28. 0.3
  29. 85
  30. 0.125
  31. 1/10
  32. 20
  33. 35
  34. 1/2
  35. 85
  36. 0.1
  37. 0.3
  38. 0.7
  39. 0.9
  40. 1/2

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