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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 131 · 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 45%? (a) 1/2 (b) 7/8 (c) 9/20 (d) 11/20
  2. 2.35% as a decimal =
  3. 3.0.1 as a percent =
  4. 4.5% as a decimal =
  5. 5.Which fraction is 80%? (a) 9/20 (b) 4/5 (c) 3/10 (d) 3/20
  6. 6.0.2 as a percent =
  7. 7.60% as a decimal =
  8. 8.3/5 as a percent =
  9. 9.0.9 as a percent =
  10. 10.0.8 as a percent =
  11. 11.5% as a decimal =
  12. 12.19/20 as a percent =
  13. 13.3/5 as a percent =
  14. 14.0.2 as a percent =
  15. 15.Which fraction is 30%? (a) 9/20 (b) 3/20 (c) 3/8 (d) 3/10
  16. 16.1/10 as a percent =
  17. 17.4/5 as a percent =
  18. 18.4/5 as a percent =
  19. 19.Which fraction is 10%? (a) 9/10 (b) 1/10 (c) 7/10 (d) 1/2
  20. 20.0.3 as a percent =
  21. 21.80% as a decimal =
  22. 22.5/8 as a percent =
  23. 23.45% as a decimal =
  24. 24.30% as a decimal =
  25. 25.0.625 as a percent =
  26. 26.45% as a decimal =
  27. 27.3/20 as a percent =
  28. 28.0.45 as a percent =
  29. 29.0.8 as a percent =
  30. 30.0.9 as a percent =
  31. 31.0.875 as a percent =
  32. 32.0.8 as a percent =
  33. 33.37.5% as a decimal =
  34. 34.19/20 as a percent =
  35. 35.0.95 as a percent =
  36. 36.30% as a decimal =
  37. 37.45% as a decimal =
  38. 38.0.8 as a percent =
  39. 39.Which fraction is 5%? (a) 7/8 (b) 3/20 (c) 1/20 (d) 11/20
  40. 40.11/20 as a percent =

Answer key

  1. 9/20
  2. 0.35
  3. 10
  4. 0.05
  5. 4/5
  6. 20
  7. 0.6
  8. 60
  9. 90
  10. 80
  11. 0.05
  12. 95
  13. 60
  14. 20
  15. 3/10
  16. 10
  17. 80
  18. 80
  19. 1/10
  20. 30
  21. 0.8
  22. 62.5
  23. 0.45
  24. 0.3
  25. 62.5
  26. 0.45
  27. 15
  28. 45
  29. 80
  30. 90
  31. 87.5
  32. 80
  33. 0.375
  34. 95
  35. 95
  36. 0.3
  37. 0.45
  38. 80
  39. 1/20
  40. 55

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