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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 255 · 40 questions
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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 15%? (a) 1/2 (b) 17/20 (c) 3/20 (d) 5/8
  2. 2.0.15 as a percent =
  3. 3.0.65 as a percent =
  4. 4.Which fraction is 45%? (a) 7/8 (b) 13/20 (c) 3/8 (d) 9/20
  5. 5.Which fraction is 0.45? (a) 9/20 (b) 2/5 (c) 19/20 (d) 1/2
  6. 6.0.25 as a percent =
  7. 7.85% as a decimal =
  8. 8.Which fraction is 5%? (a) 17/20 (b) 1/20 (c) 3/5 (d) 1/2
  9. 9.Which fraction is 40%? (a) 7/20 (b) 2/5 (c) 1/2 (d) 7/8
  10. 10.Which fraction is 37.5%? (a) 9/10 (b) 3/8 (c) 19/20 (d) 7/10
  11. 11.Which fraction is 10%? (a) 3/8 (b) 1/10 (c) 3/20 (d) 1/4
  12. 12.12.5% as a decimal =
  13. 13.0.35 as a percent =
  14. 14.95% as a decimal =
  15. 15.3/20 as a percent =
  16. 16.30% as a decimal =
  17. 17.Which fraction is 20%? (a) 1/4 (b) 1/5 (c) 11/20 (d) 3/8
  18. 18.1/2 as a percent =
  19. 19.50% as a decimal =
  20. 20.30% as a decimal =
  21. 21.1/2 as a percent =
  22. 22.1/4 as a percent =
  23. 23.0.75 as a percent =
  24. 24.Which fraction is 0.75? (a) 3/4 (b) 1/5 (c) 7/10 (d) 1/8
  25. 25.Which fraction is 37.5%? (a) 1/10 (b) 3/10 (c) 3/8 (d) 7/8
  26. 26.Which fraction is 87.5%? (a) 7/8 (b) 5/8 (c) 3/8 (d) 3/5
  27. 27.Which fraction is 0.3? (a) 3/10 (b) 1/5 (c) 4/5 (d) 1/10
  28. 28.9/10 as a percent =
  29. 29.75% as a decimal =
  30. 30.40% as a decimal =
  31. 31.12.5% as a decimal =
  32. 32.1/5 as a percent =
  33. 33.0.9 as a percent =
  34. 34.90% as a decimal =
  35. 35.3/20 as a percent =
  36. 36.7/10 as a percent =
  37. 37.0.65 as a percent =
  38. 38.Which fraction is 70%? (a) 2/5 (b) 7/10 (c) 11/20 (d) 1/2
  39. 39.Which fraction is 75%? (a) 3/5 (b) 3/4 (c) 7/20 (d) 2/5
  40. 40.1/10 as a percent =

Answer key

  1. 3/20
  2. 15
  3. 65
  4. 9/20
  5. 9/20
  6. 25
  7. 0.85
  8. 1/20
  9. 2/5
  10. 3/8
  11. 1/10
  12. 0.125
  13. 35
  14. 0.95
  15. 15
  16. 0.3
  17. 1/5
  18. 50
  19. 0.5
  20. 0.3
  21. 50
  22. 25
  23. 75
  24. 3/4
  25. 3/8
  26. 7/8
  27. 3/10
  28. 90
  29. 0.75
  30. 0.4
  31. 0.125
  32. 20
  33. 90
  34. 0.9
  35. 15
  36. 70
  37. 65
  38. 7/10
  39. 3/4
  40. 10

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