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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 297 · 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 20%? (a) 4/5 (b) 1/4 (c) 1/20 (d) 1/5
  2. 2.0.875 as a percent =
  3. 3.17/20 as a percent =
  4. 4.Which fraction is 50%? (a) 2/5 (b) 1/20 (c) 17/20 (d) 1/2
  5. 5.0.3 as a percent =
  6. 6.0.875 as a percent =
  7. 7.0.15 as a percent =
  8. 8.Which fraction is 90%? (a) 2/5 (b) 9/10 (c) 1/4 (d) 7/10
  9. 9.1/5 as a percent =
  10. 10.Which fraction is 10%? (a) 3/5 (b) 1/8 (c) 1/10 (d) 3/4
  11. 11.75% as a decimal =
  12. 12.80% as a decimal =
  13. 13.3/20 as a percent =
  14. 14.7/8 as a percent =
  15. 15.19/20 as a percent =
  16. 16.Which fraction is 20%? (a) 19/20 (b) 1/5 (c) 17/20 (d) 3/8
  17. 17.1/10 as a percent =
  18. 18.0.75 as a percent =
  19. 19.Which fraction is 20%? (a) 13/20 (b) 9/20 (c) 1/5 (d) 5/8
  20. 20.Which fraction is 40%? (a) 13/20 (b) 7/10 (c) 3/20 (d) 2/5
  21. 21.37.5% as a decimal =
  22. 22.45% as a decimal =
  23. 23.4/5 as a percent =
  24. 24.9/10 as a percent =
  25. 25.9/10 as a percent =
  26. 26.9/10 as a percent =
  27. 27.Which fraction is 0.75? (a) 3/20 (b) 7/10 (c) 7/20 (d) 3/4
  28. 28.0.3 as a percent =
  29. 29.1/5 as a percent =
  30. 30.7/10 as a percent =
  31. 31.0.375 as a percent =
  32. 32.1/10 as a percent =
  33. 33.40% as a decimal =
  34. 34.0.55 as a percent =
  35. 35.0.05 as a percent =
  36. 36.80% as a decimal =
  37. 37.3/8 as a percent =
  38. 38.7/10 as a percent =
  39. 39.0.3 as a percent =
  40. 40.1/2 as a percent =

Answer key

  1. 1/5
  2. 87.5
  3. 85
  4. 1/2
  5. 30
  6. 87.5
  7. 15
  8. 9/10
  9. 20
  10. 1/10
  11. 0.75
  12. 0.8
  13. 15
  14. 87.5
  15. 95
  16. 1/5
  17. 10
  18. 75
  19. 1/5
  20. 2/5
  21. 0.375
  22. 0.45
  23. 80
  24. 90
  25. 90
  26. 90
  27. 3/4
  28. 30
  29. 20
  30. 70
  31. 37.5
  32. 10
  33. 0.4
  34. 55
  35. 5
  36. 0.8
  37. 37.5
  38. 70
  39. 30
  40. 50

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