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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 959 · 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 90%? (a) 19/20 (b) 7/20 (c) 9/10 (d) 1/5
  2. 2.62.5% as a decimal =
  3. 3.95% as a decimal =
  4. 4.Which fraction is 0.45? (a) 9/20 (b) 17/20 (c) 3/10 (d) 2/5
  5. 5.Which fraction is 40%? (a) 11/20 (b) 1/10 (c) 2/5 (d) 1/2
  6. 6.0.75 as a percent =
  7. 7.3/4 as a percent =
  8. 8.30% as a decimal =
  9. 9.17/20 as a percent =
  10. 10.25% as a decimal =
  11. 11.3/10 as a percent =
  12. 12.3/5 as a percent =
  13. 13.37.5% as a decimal =
  14. 14.9/10 as a percent =
  15. 15.3/4 as a percent =
  16. 16.0.875 as a percent =
  17. 17.Which fraction is 0.2? (a) 1/8 (b) 17/20 (c) 2/5 (d) 1/5
  18. 18.20% as a decimal =
  19. 19.4/5 as a percent =
  20. 20.19/20 as a percent =
  21. 21.9/20 as a percent =
  22. 22.9/10 as a percent =
  23. 23.1/2 as a percent =
  24. 24.0.5 as a percent =
  25. 25.87.5% as a decimal =
  26. 26.0.7 as a percent =
  27. 27.Which fraction is 45%? (a) 2/5 (b) 5/8 (c) 9/20 (d) 3/20
  28. 28.9/20 as a percent =
  29. 29.45% as a decimal =
  30. 30.0.5 as a percent =
  31. 31.Which fraction is 0.75? (a) 1/2 (b) 13/20 (c) 1/5 (d) 3/4
  32. 32.0.875 as a percent =
  33. 33.1/10 as a percent =
  34. 34.13/20 as a percent =
  35. 35.1/5 as a percent =
  36. 36.Which fraction is 30%? (a) 9/10 (b) 3/10 (c) 9/20 (d) 3/20
  37. 37.7/10 as a percent =
  38. 38.Which fraction is 0.6? (a) 1/10 (b) 1/4 (c) 7/10 (d) 3/5
  39. 39.0.15 as a percent =
  40. 40.Which fraction is 25%? (a) 1/4 (b) 3/20 (c) 3/8 (d) 17/20

Answer key

  1. 9/10
  2. 0.625
  3. 0.95
  4. 9/20
  5. 2/5
  6. 75
  7. 75
  8. 0.3
  9. 85
  10. 0.25
  11. 30
  12. 60
  13. 0.375
  14. 90
  15. 75
  16. 87.5
  17. 1/5
  18. 0.2
  19. 80
  20. 95
  21. 45
  22. 90
  23. 50
  24. 50
  25. 0.875
  26. 70
  27. 9/20
  28. 45
  29. 0.45
  30. 50
  31. 3/4
  32. 87.5
  33. 10
  34. 65
  35. 20
  36. 3/10
  37. 70
  38. 3/5
  39. 15
  40. 1/4

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