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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 97 · 40 questions
TalentJR

How to work it out (Part over whole): Find the whole (the number after “of”) and the part. Percent = part ÷ whole × 100. Multiply the part by 100 first, then divide by the whole: 18 × 100 = 1800, and 1800 ÷ 72 = 25, so 25%.

NameDateTime takenScore ___ / 40
  1. 1.?% of 25 = 6
  2. 2.What percent of 50 is 15?
  3. 3.What percent of 120 is 90?
  4. 4.24 is what percent of 40?
  5. 5.39 is what percent of 50?
  6. 6.What percent of 300 is 159?
  7. 7.390 is what percent of 500?
  8. 8.What percent of 500 is 80?
  9. 9.What percent of 400 is 80?
  10. 10.What percent of 500 is 420?
  11. 11.What percent of 200 is 144?
  12. 12.What percent of 150 is 21?
  13. 13.What percent of 40 is 36?
  14. 14.208 is what percent of 400?
  15. 15.What percent of 300 is 270?
  16. 16.What percent of 20 is 15?
  17. 17.110 is what percent of 250?
  18. 18.?% of 400 = 204
  19. 19.What percent of 150 is 141?
  20. 20.7 is what percent of 20?
  21. 21.?% of 25 = 9
  22. 22.27 is what percent of 60?
  23. 23.What percent of 300 is 36?
  24. 24.What percent of 80 is 16?
  25. 25.?% of 25 = 7
  26. 26.23 is what percent of 50?
  27. 27.159 is what percent of 300?
  28. 28.?% of 25 = 22
  29. 29.What percent of 250 is 235?
  30. 30.What percent of 80 is 52?
  31. 31.What percent of 500 is 250?
  32. 32.What percent of 50 is 43?
  33. 33.78 is what percent of 300?
  34. 34.What percent of 150 is 27?
  35. 35.What percent of 40 is 8?
  36. 36.?% of 500 = 160
  37. 37.?% of 25 = 19
  38. 38.What percent of 200 is 190?
  39. 39.What percent of 200 is 152?
  40. 40.?% of 25 = 13

Answer key

  1. 24
  2. 30
  3. 75
  4. 60
  5. 78
  6. 53
  7. 78
  8. 16
  9. 20
  10. 84
  11. 72
  12. 14
  13. 90
  14. 52
  15. 90
  16. 75
  17. 44
  18. 51
  19. 94
  20. 35
  21. 36
  22. 45
  23. 12
  24. 20
  25. 28
  26. 46
  27. 53
  28. 88
  29. 94
  30. 65
  31. 50
  32. 86
  33. 26
  34. 18
  35. 20
  36. 32
  37. 76
  38. 95
  39. 76
  40. 52

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