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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 550 · 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. 1.11/20 as a percent =
  2. 2.Which fraction is 0.45? (a) 7/10 (b) 1/10 (c) 4/5 (d) 9/20
  3. 3.3/8 as a percent =
  4. 4.0.15 as a percent =
  5. 5.35% as a decimal =
  6. 6.0.4 as a percent =
  7. 7.1/10 as a percent =
  8. 8.0.55 as a percent =
  9. 9.1/4 as a percent =
  10. 10.40% as a decimal =
  11. 11.9/20 as a percent =
  12. 12.Which fraction is 37.5%? (a) 3/8 (b) 4/5 (c) 1/2 (d) 1/8
  13. 13.1/8 as a percent =
  14. 14.1/8 as a percent =
  15. 15.Which fraction is 0.375? (a) 2/5 (b) 4/5 (c) 3/8 (d) 9/10
  16. 16.0.95 as a percent =
  17. 17.1/20 as a percent =
  18. 18.0.5 as a percent =
  19. 19.Which fraction is 0.4? (a) 1/5 (b) 17/20 (c) 3/5 (d) 2/5
  20. 20.13/20 as a percent =
  21. 21.40% as a decimal =
  22. 22.55% as a decimal =
  23. 23.3/8 as a percent =
  24. 24.0.55 as a percent =
  25. 25.80% as a decimal =
  26. 26.1/5 as a percent =
  27. 27.0.375 as a percent =
  28. 28.Which fraction is 20%? (a) 1/5 (b) 3/4 (c) 7/20 (d) 7/8
  29. 29.3/8 as a percent =
  30. 30.85% as a decimal =
  31. 31.2/5 as a percent =
  32. 32.0.1 as a percent =
  33. 33.Which fraction is 0.15? (a) 13/20 (b) 3/20 (c) 9/10 (d) 1/2
  34. 34.4/5 as a percent =
  35. 35.12.5% as a decimal =
  36. 36.95% as a decimal =
  37. 37.17/20 as a percent =
  38. 38.Which fraction is 12.5%? (a) 9/10 (b) 1/5 (c) 1/8 (d) 17/20
  39. 39.3/5 as a percent =
  40. 40.0.05 as a percent =

Answer key

  1. 55
  2. 9/20
  3. 37.5
  4. 15
  5. 0.35
  6. 40
  7. 10
  8. 55
  9. 25
  10. 0.4
  11. 45
  12. 3/8
  13. 12.5
  14. 12.5
  15. 3/8
  16. 95
  17. 5
  18. 50
  19. 2/5
  20. 65
  21. 0.4
  22. 0.55
  23. 37.5
  24. 55
  25. 0.8
  26. 20
  27. 37.5
  28. 1/5
  29. 37.5
  30. 0.85
  31. 40
  32. 10
  33. 3/20
  34. 80
  35. 0.125
  36. 0.95
  37. 85
  38. 1/8
  39. 60
  40. 5

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