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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 10 · 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. 1.30% as a decimal =
  2. 2.9/10 as a percent =
  3. 3.Which fraction is 25%? (a) 3/4 (b) 1/4 (c) 3/5 (d) 7/20
  4. 4.0.1 as a percent =
  5. 5.0.15 as a percent =
  6. 6.0.375 as a percent =
  7. 7.0.3 as a percent =
  8. 8.0.45 as a percent =
  9. 9.2/5 as a percent =
  10. 10.20% as a decimal =
  11. 11.19/20 as a percent =
  12. 12.4/5 as a percent =
  13. 13.Which fraction is 65%? (a) 9/20 (b) 11/20 (c) 13/20 (d) 1/10
  14. 14.0.5 as a percent =
  15. 15.85% as a decimal =
  16. 16.20% as a decimal =
  17. 17.0.2 as a percent =
  18. 18.Which fraction is 60%? (a) 19/20 (b) 3/5 (c) 1/8 (d) 1/5
  19. 19.0.8 as a percent =
  20. 20.Which fraction is 0.2? (a) 1/5 (b) 3/5 (c) 3/10 (d) 13/20
  21. 21.0.75 as a percent =
  22. 22.90% as a decimal =
  23. 23.90% as a decimal =
  24. 24.1/20 as a percent =
  25. 25.95% as a decimal =
  26. 26.1/20 as a percent =
  27. 27.Which fraction is 37.5%? (a) 3/8 (b) 1/2 (c) 3/10 (d) 17/20
  28. 28.Which fraction is 0.1? (a) 3/4 (b) 4/5 (c) 1/10 (d) 7/8
  29. 29.1/20 as a percent =
  30. 30.1/10 as a percent =
  31. 31.1/10 as a percent =
  32. 32.Which fraction is 0.95? (a) 19/20 (b) 9/20 (c) 7/8 (d) 1/10
  33. 33.Which fraction is 20%? (a) 9/20 (b) 3/8 (c) 1/5 (d) 7/8
  34. 34.1/8 as a percent =
  35. 35.0.15 as a percent =
  36. 36.1/10 as a percent =
  37. 37.12.5% as a decimal =
  38. 38.1/10 as a percent =
  39. 39.0.375 as a percent =
  40. 40.87.5% as a decimal =

Answer key

  1. 0.3
  2. 90
  3. 1/4
  4. 10
  5. 15
  6. 37.5
  7. 30
  8. 45
  9. 40
  10. 0.2
  11. 95
  12. 80
  13. 13/20
  14. 50
  15. 0.85
  16. 0.2
  17. 20
  18. 3/5
  19. 80
  20. 1/5
  21. 75
  22. 0.9
  23. 0.9
  24. 5
  25. 0.95
  26. 5
  27. 3/8
  28. 1/10
  29. 5
  30. 10
  31. 10
  32. 19/20
  33. 1/5
  34. 12.5
  35. 15
  36. 10
  37. 0.125
  38. 10
  39. 37.5
  40. 0.875

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