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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 33 · 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. 1.9/20 as a percent =
  2. 2.15% as a decimal =
  3. 3.1/10 as a percent =
  4. 4.0.8 as a percent =
  5. 5.4/5 as a percent =
  6. 6.Which fraction is 90%? (a) 3/20 (b) 9/10 (c) 3/10 (d) 5/8
  7. 7.55% as a decimal =
  8. 8.55% as a decimal =
  9. 9.60% as a decimal =
  10. 10.Which fraction is 35%? (a) 9/20 (b) 3/5 (c) 7/20 (d) 1/20
  11. 11.Which fraction is 30%? (a) 9/20 (b) 13/20 (c) 1/5 (d) 3/10
  12. 12.0.8 as a percent =
  13. 13.Which fraction is 50%? (a) 5/8 (b) 13/20 (c) 3/4 (d) 1/2
  14. 14.85% as a decimal =
  15. 15.80% as a decimal =
  16. 16.0.35 as a percent =
  17. 17.0.45 as a percent =
  18. 18.1/8 as a percent =
  19. 19.Which fraction is 0.625? (a) 1/10 (b) 11/20 (c) 5/8 (d) 9/10
  20. 20.Which fraction is 0.875? (a) 5/8 (b) 4/5 (c) 7/8 (d) 2/5
  21. 21.5% as a decimal =
  22. 22.85% as a decimal =
  23. 23.0.95 as a percent =
  24. 24.3/20 as a percent =
  25. 25.0.75 as a percent =
  26. 26.Which fraction is 0.45? (a) 3/20 (b) 5/8 (c) 9/20 (d) 2/5
  27. 27.0.4 as a percent =
  28. 28.Which fraction is 0.625? (a) 3/10 (b) 9/20 (c) 2/5 (d) 5/8
  29. 29.0.65 as a percent =
  30. 30.1/5 as a percent =
  31. 31.60% as a decimal =
  32. 32.1/5 as a percent =
  33. 33.45% as a decimal =
  34. 34.9/20 as a percent =
  35. 35.0.9 as a percent =
  36. 36.0.2 as a percent =
  37. 37.80% as a decimal =
  38. 38.85% as a decimal =
  39. 39.37.5% as a decimal =
  40. 40.87.5% as a decimal =

Answer key

  1. 45
  2. 0.15
  3. 10
  4. 80
  5. 80
  6. 9/10
  7. 0.55
  8. 0.55
  9. 0.6
  10. 7/20
  11. 3/10
  12. 80
  13. 1/2
  14. 0.85
  15. 0.8
  16. 35
  17. 45
  18. 12.5
  19. 5/8
  20. 7/8
  21. 0.05
  22. 0.85
  23. 95
  24. 15
  25. 75
  26. 9/20
  27. 40
  28. 5/8
  29. 65
  30. 20
  31. 0.6
  32. 20
  33. 0.45
  34. 45
  35. 90
  36. 20
  37. 0.8
  38. 0.85
  39. 0.375
  40. 0.875

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