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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 609 · 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. 2.25% as a decimal =
  3. 3.0.85 as a percent =
  4. 4.0.35 as a percent =
  5. 5.19/20 as a percent =
  6. 6.95% as a decimal =
  7. 7.Which fraction is 0.9? (a) 3/20 (b) 7/10 (c) 9/10 (d) 1/5
  8. 8.3/4 as a percent =
  9. 9.2/5 as a percent =
  10. 10.1/5 as a percent =
  11. 11.Which fraction is 0.625? (a) 3/20 (b) 2/5 (c) 5/8 (d) 1/2
  12. 12.0.1 as a percent =
  13. 13.87.5% as a decimal =
  14. 14.Which fraction is 0.9? (a) 3/8 (b) 3/20 (c) 9/10 (d) 3/4
  15. 15.Which fraction is 80%? (a) 1/2 (b) 3/8 (c) 4/5 (d) 1/8
  16. 16.2/5 as a percent =
  17. 17.Which fraction is 20%? (a) 1/5 (b) 5/8 (c) 7/20 (d) 1/20
  18. 18.1/5 as a percent =
  19. 19.19/20 as a percent =
  20. 20.0.2 as a percent =
  21. 21.1/4 as a percent =
  22. 22.Which fraction is 75%? (a) 19/20 (b) 1/4 (c) 3/4 (d) 11/20
  23. 23.1/8 as a percent =
  24. 24.1/8 as a percent =
  25. 25.Which fraction is 0.75? (a) 1/2 (b) 1/10 (c) 3/4 (d) 11/20
  26. 26.5/8 as a percent =
  27. 27.Which fraction is 0.75? (a) 2/5 (b) 3/4 (c) 3/5 (d) 1/5
  28. 28.1/5 as a percent =
  29. 29.7/10 as a percent =
  30. 30.80% as a decimal =
  31. 31.35% as a decimal =
  32. 32.1/10 as a percent =
  33. 33.35% as a decimal =
  34. 34.50% as a decimal =
  35. 35.45% as a decimal =
  36. 36.35% as a decimal =
  37. 37.0.7 as a percent =
  38. 38.30% as a decimal =
  39. 39.0.55 as a percent =
  40. 40.90% as a decimal =

Answer key

  1. 0.3
  2. 0.25
  3. 85
  4. 35
  5. 95
  6. 0.95
  7. 9/10
  8. 75
  9. 40
  10. 20
  11. 5/8
  12. 10
  13. 0.875
  14. 9/10
  15. 4/5
  16. 40
  17. 1/5
  18. 20
  19. 95
  20. 20
  21. 25
  22. 3/4
  23. 12.5
  24. 12.5
  25. 3/4
  26. 62.5
  27. 3/4
  28. 20
  29. 70
  30. 0.8
  31. 0.35
  32. 10
  33. 0.35
  34. 0.5
  35. 0.45
  36. 0.35
  37. 70
  38. 0.3
  39. 55
  40. 0.9

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