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Percentage to Fraction and Decimal Worksheet

Speed calculation lesson 20: Percent, fraction, decimal swaps · Set 80 · 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. 1.90% as a decimal =
  2. 2.0.65 as a percent =
  3. 3.0.4 as a percent =
  4. 4.12.5% as a decimal =
  5. 5.1/10 as a percent =
  6. 6.25% as a decimal =
  7. 7.9/10 as a percent =
  8. 8.Which fraction is 0.45? (a) 19/20 (b) 1/5 (c) 9/20 (d) 3/4
  9. 9.17/20 as a percent =
  10. 10.40% as a decimal =
  11. 11.2/5 as a percent =
  12. 12.75% as a decimal =
  13. 13.10% as a decimal =
  14. 14.30% as a decimal =
  15. 15.Which fraction is 45%? (a) 4/5 (b) 1/8 (c) 9/20 (d) 7/8
  16. 16.Which fraction is 0.3? (a) 3/10 (b) 1/4 (c) 1/20 (d) 13/20
  17. 17.1/2 as a percent =
  18. 18.1/5 as a percent =
  19. 19.0.1 as a percent =
  20. 20.80% as a decimal =
  21. 21.Which fraction is 20%? (a) 9/10 (b) 1/5 (c) 5/8 (d) 9/20
  22. 22.0.5 as a percent =
  23. 23.11/20 as a percent =
  24. 24.3/8 as a percent =
  25. 25.1/4 as a percent =
  26. 26.Which fraction is 0.8? (a) 4/5 (b) 13/20 (c) 9/20 (d) 3/4
  27. 27.0.6 as a percent =
  28. 28.40% as a decimal =
  29. 29.0.25 as a percent =
  30. 30.0.125 as a percent =
  31. 31.45% as a decimal =
  32. 32.15% as a decimal =
  33. 33.Which fraction is 20%? (a) 1/10 (b) 13/20 (c) 1/5 (d) 3/5
  34. 34.0.35 as a percent =
  35. 35.5% as a decimal =
  36. 36.0.8 as a percent =
  37. 37.1/20 as a percent =
  38. 38.30% as a decimal =
  39. 39.Which fraction is 35%? (a) 7/10 (b) 5/8 (c) 2/5 (d) 7/20
  40. 40.0.375 as a percent =

Answer key

  1. 0.9
  2. 65
  3. 40
  4. 0.125
  5. 10
  6. 0.25
  7. 90
  8. 9/20
  9. 85
  10. 0.4
  11. 40
  12. 0.75
  13. 0.1
  14. 0.3
  15. 9/20
  16. 3/10
  17. 50
  18. 20
  19. 10
  20. 0.8
  21. 1/5
  22. 50
  23. 55
  24. 37.5
  25. 25
  26. 4/5
  27. 60
  28. 0.4
  29. 25
  30. 12.5
  31. 0.45
  32. 0.15
  33. 1/5
  34. 35
  35. 0.05
  36. 80
  37. 5
  38. 0.3
  39. 7/20
  40. 37.5

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