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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 852 · 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. 2.0.5 as a percent =
  3. 3.Which fraction is 0.4? (a) 3/10 (b) 1/2 (c) 3/4 (d) 2/5
  4. 4.Which fraction is 0.8? (a) 4/5 (b) 1/2 (c) 3/10 (d) 1/4
  5. 5.15% as a decimal =
  6. 6.Which fraction is 0.5? (a) 7/10 (b) 2/5 (c) 1/2 (d) 11/20
  7. 7.0.35 as a percent =
  8. 8.1/5 as a percent =
  9. 9.0.85 as a percent =
  10. 10.35% as a decimal =
  11. 11.Which fraction is 87.5%? (a) 1/10 (b) 11/20 (c) 13/20 (d) 7/8
  12. 12.0.55 as a percent =
  13. 13.1/5 as a percent =
  14. 14.Which fraction is 30%? (a) 1/10 (b) 4/5 (c) 7/20 (d) 3/10
  15. 15.95% as a decimal =
  16. 16.1/2 as a percent =
  17. 17.0.65 as a percent =
  18. 18.0.125 as a percent =
  19. 19.0.5 as a percent =
  20. 20.3/20 as a percent =
  21. 21.Which fraction is 87.5%? (a) 3/5 (b) 13/20 (c) 2/5 (d) 7/8
  22. 22.0.4 as a percent =
  23. 23.37.5% as a decimal =
  24. 24.3/8 as a percent =
  25. 25.1/8 as a percent =
  26. 26.Which fraction is 0.5? (a) 1/2 (b) 7/10 (c) 19/20 (d) 3/10
  27. 27.Which fraction is 35%? (a) 7/20 (b) 7/8 (c) 4/5 (d) 17/20
  28. 28.19/20 as a percent =
  29. 29.1/4 as a percent =
  30. 30.4/5 as a percent =
  31. 31.7/8 as a percent =
  32. 32.3/5 as a percent =
  33. 33.19/20 as a percent =
  34. 34.5/8 as a percent =
  35. 35.9/20 as a percent =
  36. 36.35% as a decimal =
  37. 37.4/5 as a percent =
  38. 38.1/20 as a percent =
  39. 39.75% as a decimal =
  40. 40.3/8 as a percent =

Answer key

  1. 45
  2. 50
  3. 2/5
  4. 4/5
  5. 0.15
  6. 1/2
  7. 35
  8. 20
  9. 85
  10. 0.35
  11. 7/8
  12. 55
  13. 20
  14. 3/10
  15. 0.95
  16. 50
  17. 65
  18. 12.5
  19. 50
  20. 15
  21. 7/8
  22. 40
  23. 0.375
  24. 37.5
  25. 12.5
  26. 1/2
  27. 7/20
  28. 95
  29. 25
  30. 80
  31. 87.5
  32. 60
  33. 95
  34. 62.5
  35. 45
  36. 0.35
  37. 80
  38. 5
  39. 0.75
  40. 37.5

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