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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 516 · 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 0.4? (a) 3/4 (b) 2/5 (c) 3/8 (d) 5/8
  2. 2.0.1 as a percent =
  3. 3.0.625 as a percent =
  4. 4.Which fraction is 10%? (a) 2/5 (b) 1/10 (c) 1/4 (d) 11/20
  5. 5.12.5% as a decimal =
  6. 6.Which fraction is 45%? (a) 7/10 (b) 3/10 (c) 9/20 (d) 3/4
  7. 7.0.2 as a percent =
  8. 8.0.65 as a percent =
  9. 9.Which fraction is 0.6? (a) 7/20 (b) 17/20 (c) 3/5 (d) 1/20
  10. 10.9/20 as a percent =
  11. 11.90% as a decimal =
  12. 12.75% as a decimal =
  13. 13.Which fraction is 0.875? (a) 5/8 (b) 3/4 (c) 7/8 (d) 4/5
  14. 14.4/5 as a percent =
  15. 15.17/20 as a percent =
  16. 16.4/5 as a percent =
  17. 17.Which fraction is 0.85? (a) 17/20 (b) 2/5 (c) 1/8 (d) 11/20
  18. 18.62.5% as a decimal =
  19. 19.40% as a decimal =
  20. 20.40% as a decimal =
  21. 21.Which fraction is 35%? (a) 7/20 (b) 1/2 (c) 2/5 (d) 7/8
  22. 22.Which fraction is 0.9? (a) 9/10 (b) 4/5 (c) 1/4 (d) 11/20
  23. 23.13/20 as a percent =
  24. 24.Which fraction is 0.05? (a) 1/20 (b) 4/5 (c) 19/20 (d) 1/2
  25. 25.2/5 as a percent =
  26. 26.20% as a decimal =
  27. 27.60% as a decimal =
  28. 28.0.7 as a percent =
  29. 29.Which fraction is 0.1? (a) 3/5 (b) 9/20 (c) 13/20 (d) 1/10
  30. 30.1/2 as a percent =
  31. 31.Which fraction is 0.2? (a) 1/5 (b) 3/4 (c) 7/8 (d) 1/8
  32. 32.0.125 as a percent =
  33. 33.37.5% as a decimal =
  34. 34.15% as a decimal =
  35. 35.Which fraction is 90%? (a) 5/8 (b) 19/20 (c) 3/10 (d) 9/10
  36. 36.25% as a decimal =
  37. 37.Which fraction is 0.125? (a) 1/8 (b) 7/20 (c) 5/8 (d) 1/10
  38. 38.80% as a decimal =
  39. 39.60% as a decimal =
  40. 40.0.4 as a percent =

Answer key

  1. 2/5
  2. 10
  3. 62.5
  4. 1/10
  5. 0.125
  6. 9/20
  7. 20
  8. 65
  9. 3/5
  10. 45
  11. 0.9
  12. 0.75
  13. 7/8
  14. 80
  15. 85
  16. 80
  17. 17/20
  18. 0.625
  19. 0.4
  20. 0.4
  21. 7/20
  22. 9/10
  23. 65
  24. 1/20
  25. 40
  26. 0.2
  27. 0.6
  28. 70
  29. 1/10
  30. 50
  31. 1/5
  32. 12.5
  33. 0.375
  34. 0.15
  35. 9/10
  36. 0.25
  37. 1/8
  38. 0.8
  39. 0.6
  40. 40

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