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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 260 · 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. 1.37.5% as a decimal =
  2. 2.70% as a decimal =
  3. 3.1/2 as a percent =
  4. 4.62.5% as a decimal =
  5. 5.0.875 as a percent =
  6. 6.Which fraction is 30%? (a) 3/5 (b) 7/20 (c) 3/10 (d) 1/2
  7. 7.1/10 as a percent =
  8. 8.Which fraction is 87.5%? (a) 1/20 (b) 2/5 (c) 7/8 (d) 3/10
  9. 9.95% as a decimal =
  10. 10.37.5% as a decimal =
  11. 11.3/8 as a percent =
  12. 12.Which fraction is 0.75? (a) 3/4 (b) 13/20 (c) 1/4 (d) 3/20
  13. 13.9/10 as a percent =
  14. 14.Which fraction is 70%? (a) 7/10 (b) 7/20 (c) 9/20 (d) 3/4
  15. 15.40% as a decimal =
  16. 16.Which fraction is 0.2? (a) 1/8 (b) 4/5 (c) 17/20 (d) 1/5
  17. 17.Which fraction is 0.15? (a) 1/4 (b) 3/5 (c) 2/5 (d) 3/20
  18. 18.3/8 as a percent =
  19. 19.Which fraction is 75%? (a) 2/5 (b) 3/5 (c) 3/4 (d) 11/20
  20. 20.Which fraction is 0.9? (a) 1/10 (b) 4/5 (c) 1/2 (d) 9/10
  21. 21.9/10 as a percent =
  22. 22.3/5 as a percent =
  23. 23.25% as a decimal =
  24. 24.Which fraction is 0.8? (a) 3/5 (b) 9/20 (c) 1/10 (d) 4/5
  25. 25.0.35 as a percent =
  26. 26.20% as a decimal =
  27. 27.17/20 as a percent =
  28. 28.12.5% as a decimal =
  29. 29.Which fraction is 0.125? (a) 3/4 (b) 17/20 (c) 1/8 (d) 1/2
  30. 30.75% as a decimal =
  31. 31.13/20 as a percent =
  32. 32.7/10 as a percent =
  33. 33.3/20 as a percent =
  34. 34.40% as a decimal =
  35. 35.85% as a decimal =
  36. 36.0.375 as a percent =
  37. 37.Which fraction is 0.55? (a) 3/8 (b) 9/20 (c) 11/20 (d) 7/8
  38. 38.0.4 as a percent =
  39. 39.62.5% as a decimal =
  40. 40.Which fraction is 30%? (a) 3/5 (b) 4/5 (c) 3/10 (d) 1/20

Answer key

  1. 0.375
  2. 0.7
  3. 50
  4. 0.625
  5. 87.5
  6. 3/10
  7. 10
  8. 7/8
  9. 0.95
  10. 0.375
  11. 37.5
  12. 3/4
  13. 90
  14. 7/10
  15. 0.4
  16. 1/5
  17. 3/20
  18. 37.5
  19. 3/4
  20. 9/10
  21. 90
  22. 60
  23. 0.25
  24. 4/5
  25. 35
  26. 0.2
  27. 85
  28. 0.125
  29. 1/8
  30. 0.75
  31. 65
  32. 70
  33. 15
  34. 0.4
  35. 0.85
  36. 37.5
  37. 11/20
  38. 40
  39. 0.625
  40. 3/10

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