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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 49 · 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. 1.9/10 as a percent =
  2. 2.3/20 as a percent =
  3. 3.Which fraction is 0.25? (a) 7/8 (b) 3/5 (c) 1/4 (d) 7/20
  4. 4.1/2 as a percent =
  5. 5.Which fraction is 0.05? (a) 3/4 (b) 1/20 (c) 13/20 (d) 19/20
  6. 6.0.7 as a percent =
  7. 7.35% as a decimal =
  8. 8.Which fraction is 15%? (a) 9/10 (b) 3/10 (c) 3/20 (d) 3/8
  9. 9.Which fraction is 80%? (a) 2/5 (b) 11/20 (c) 4/5 (d) 9/10
  10. 10.62.5% as a decimal =
  11. 11.75% as a decimal =
  12. 12.0.05 as a percent =
  13. 13.65% as a decimal =
  14. 14.0.875 as a percent =
  15. 15.12.5% as a decimal =
  16. 16.3/8 as a percent =
  17. 17.20% as a decimal =
  18. 18.20% as a decimal =
  19. 19.2/5 as a percent =
  20. 20.11/20 as a percent =
  21. 21.15% as a decimal =
  22. 22.17/20 as a percent =
  23. 23.Which fraction is 0.4? (a) 3/10 (b) 3/5 (c) 4/5 (d) 2/5
  24. 24.0.375 as a percent =
  25. 25.Which fraction is 0.9? (a) 3/20 (b) 3/5 (c) 9/10 (d) 4/5
  26. 26.Which fraction is 12.5%? (a) 3/8 (b) 1/5 (c) 1/8 (d) 13/20
  27. 27.37.5% as a decimal =
  28. 28.60% as a decimal =
  29. 29.Which fraction is 65%? (a) 9/10 (b) 1/20 (c) 13/20 (d) 5/8
  30. 30.0.8 as a percent =
  31. 31.0.15 as a percent =
  32. 32.Which fraction is 70%? (a) 3/4 (b) 7/10 (c) 9/20 (d) 4/5
  33. 33.7/10 as a percent =
  34. 34.0.45 as a percent =
  35. 35.70% as a decimal =
  36. 36.30% as a decimal =
  37. 37.0.95 as a percent =
  38. 38.0.2 as a percent =
  39. 39.Which fraction is 0.05? (a) 1/20 (b) 1/5 (c) 1/2 (d) 4/5
  40. 40.Which fraction is 0.45? (a) 1/5 (b) 9/20 (c) 4/5 (d) 3/20

Answer key

  1. 90
  2. 15
  3. 1/4
  4. 50
  5. 1/20
  6. 70
  7. 0.35
  8. 3/20
  9. 4/5
  10. 0.625
  11. 0.75
  12. 5
  13. 0.65
  14. 87.5
  15. 0.125
  16. 37.5
  17. 0.2
  18. 0.2
  19. 40
  20. 55
  21. 0.15
  22. 85
  23. 2/5
  24. 37.5
  25. 9/10
  26. 1/8
  27. 0.375
  28. 0.6
  29. 13/20
  30. 80
  31. 15
  32. 7/10
  33. 70
  34. 45
  35. 0.7
  36. 0.3
  37. 95
  38. 20
  39. 1/20
  40. 9/20

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