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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 58 · 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. 1.40% as a decimal =
  2. 2.0.625 as a percent =
  3. 3.0.7 as a percent =
  4. 4.Which fraction is 0.05? (a) 1/10 (b) 1/20 (c) 19/20 (d) 3/20
  5. 5.7/20 as a percent =
  6. 6.0.1 as a percent =
  7. 7.5% as a decimal =
  8. 8.1/20 as a percent =
  9. 9.0.85 as a percent =
  10. 10.30% as a decimal =
  11. 11.87.5% as a decimal =
  12. 12.0.9 as a percent =
  13. 13.30% as a decimal =
  14. 14.1/2 as a percent =
  15. 15.55% as a decimal =
  16. 16.Which fraction is 0.4? (a) 1/8 (b) 19/20 (c) 3/5 (d) 2/5
  17. 17.Which fraction is 15%? (a) 19/20 (b) 9/20 (c) 3/20 (d) 3/5
  18. 18.0.05 as a percent =
  19. 19.Which fraction is 75%? (a) 3/20 (b) 3/4 (c) 1/2 (d) 2/5
  20. 20.0.5 as a percent =
  21. 21.Which fraction is 0.4? (a) 5/8 (b) 11/20 (c) 7/10 (d) 2/5
  22. 22.Which fraction is 0.45? (a) 17/20 (b) 9/20 (c) 9/10 (d) 2/5
  23. 23.1/5 as a percent =
  24. 24.0.55 as a percent =
  25. 25.35% as a decimal =
  26. 26.Which fraction is 0.9? (a) 9/10 (b) 5/8 (c) 1/2 (d) 1/8
  27. 27.Which fraction is 0.8? (a) 4/5 (b) 2/5 (c) 13/20 (d) 19/20
  28. 28.95% as a decimal =
  29. 29.0.2 as a percent =
  30. 30.45% as a decimal =
  31. 31.Which fraction is 0.2? (a) 13/20 (b) 4/5 (c) 5/8 (d) 1/5
  32. 32.9/20 as a percent =
  33. 33.9/10 as a percent =
  34. 34.3/4 as a percent =
  35. 35.0.125 as a percent =
  36. 36.0.3 as a percent =
  37. 37.3/10 as a percent =
  38. 38.3/4 as a percent =
  39. 39.0.5 as a percent =
  40. 40.0.6 as a percent =

Answer key

  1. 0.4
  2. 62.5
  3. 70
  4. 1/20
  5. 35
  6. 10
  7. 0.05
  8. 5
  9. 85
  10. 0.3
  11. 0.875
  12. 90
  13. 0.3
  14. 50
  15. 0.55
  16. 2/5
  17. 3/20
  18. 5
  19. 3/4
  20. 50
  21. 2/5
  22. 9/20
  23. 20
  24. 55
  25. 0.35
  26. 9/10
  27. 4/5
  28. 0.95
  29. 20
  30. 0.45
  31. 1/5
  32. 45
  33. 90
  34. 75
  35. 12.5
  36. 30
  37. 30
  38. 75
  39. 50
  40. 60

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