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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 135 · 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. 1.80% as a decimal =
  2. 2.0.625 as a percent =
  3. 3.25% as a decimal =
  4. 4.20% as a decimal =
  5. 5.0.85 as a percent =
  6. 6.0.95 as a percent =
  7. 7.Which fraction is 20%? (a) 11/20 (b) 19/20 (c) 1/8 (d) 1/5
  8. 8.0.45 as a percent =
  9. 9.Which fraction is 20%? (a) 3/8 (b) 19/20 (c) 1/5 (d) 4/5
  10. 10.Which fraction is 50%? (a) 7/10 (b) 3/5 (c) 1/2 (d) 9/20
  11. 11.0.625 as a percent =
  12. 12.3/4 as a percent =
  13. 13.85% as a decimal =
  14. 14.Which fraction is 45%? (a) 5/8 (b) 3/10 (c) 9/20 (d) 1/4
  15. 15.0.25 as a percent =
  16. 16.4/5 as a percent =
  17. 17.0.625 as a percent =
  18. 18.35% as a decimal =
  19. 19.80% as a decimal =
  20. 20.50% as a decimal =
  21. 21.95% as a decimal =
  22. 22.25% as a decimal =
  23. 23.75% as a decimal =
  24. 24.0.15 as a percent =
  25. 25.3/20 as a percent =
  26. 26.Which fraction is 0.6? (a) 3/5 (b) 1/20 (c) 3/4 (d) 7/8
  27. 27.9/10 as a percent =
  28. 28.0.4 as a percent =
  29. 29.0.25 as a percent =
  30. 30.0.05 as a percent =
  31. 31.Which fraction is 0.75? (a) 7/20 (b) 3/8 (c) 9/20 (d) 3/4
  32. 32.Which fraction is 0.125? (a) 1/8 (b) 19/20 (c) 5/8 (d) 11/20
  33. 33.1/10 as a percent =
  34. 34.0.7 as a percent =
  35. 35.1/2 as a percent =
  36. 36.10% as a decimal =
  37. 37.70% as a decimal =
  38. 38.7/20 as a percent =
  39. 39.3/4 as a percent =
  40. 40.1/5 as a percent =

Answer key

  1. 0.8
  2. 62.5
  3. 0.25
  4. 0.2
  5. 85
  6. 95
  7. 1/5
  8. 45
  9. 1/5
  10. 1/2
  11. 62.5
  12. 75
  13. 0.85
  14. 9/20
  15. 25
  16. 80
  17. 62.5
  18. 0.35
  19. 0.8
  20. 0.5
  21. 0.95
  22. 0.25
  23. 0.75
  24. 15
  25. 15
  26. 3/5
  27. 90
  28. 40
  29. 25
  30. 5
  31. 3/4
  32. 1/8
  33. 10
  34. 70
  35. 50
  36. 0.1
  37. 0.7
  38. 35
  39. 75
  40. 20

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