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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 590 · 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 80 = 60
  2. 2.100 is what percent of 500?
  3. 3.What percent of 50 is 18?
  4. 4.What percent of 300 is 243?
  5. 5.372 is what percent of 400?
  6. 6.What percent of 25 is 14?
  7. 7.What percent of 25 is 15?
  8. 8.12 is what percent of 60?
  9. 9.21 is what percent of 150?
  10. 10.?% of 150 = 9
  11. 11.What percent of 20 is 3?
  12. 12.What percent of 25 is 12?
  13. 13.?% of 400 = 200
  14. 14.What percent of 120 is 102?
  15. 15.?% of 500 = 255
  16. 16.?% of 40 = 24
  17. 17.?% of 250 = 20
  18. 18.What percent of 250 is 145?
  19. 19.325 is what percent of 500?
  20. 20.What percent of 80 is 12?
  21. 21.What percent of 25 is 8?
  22. 22.What percent of 80 is 36?
  23. 23.46 is what percent of 50?
  24. 24.What percent of 80 is 40?
  25. 25.260 is what percent of 500?
  26. 26.What percent of 50 is 45?
  27. 27.?% of 80 = 64
  28. 28.?% of 300 = 99
  29. 29.17 is what percent of 25?
  30. 30.32 is what percent of 80?
  31. 31.120 is what percent of 150?
  32. 32.?% of 60 = 18
  33. 33.?% of 250 = 190
  34. 34.?% of 25 = 15
  35. 35.225 is what percent of 500?
  36. 36.66 is what percent of 120?
  37. 37.What percent of 25 is 20?
  38. 38.132 is what percent of 150?
  39. 39.30 is what percent of 60?
  40. 40.68 is what percent of 400?

Answer key

  1. 75
  2. 20
  3. 36
  4. 81
  5. 93
  6. 56
  7. 60
  8. 20
  9. 14
  10. 6
  11. 15
  12. 48
  13. 50
  14. 85
  15. 51
  16. 60
  17. 8
  18. 58
  19. 65
  20. 15
  21. 32
  22. 45
  23. 92
  24. 50
  25. 52
  26. 90
  27. 80
  28. 33
  29. 68
  30. 40
  31. 80
  32. 30
  33. 76
  34. 60
  35. 45
  36. 55
  37. 80
  38. 88
  39. 50
  40. 17

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