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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 106 · 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 20 = 2
  2. 2.What percent of 150 is 102?
  3. 3.6 is what percent of 20?
  4. 4.?% of 150 = 108
  5. 5.What percent of 250 is 145?
  6. 6.What percent of 200 is 80?
  7. 7.?% of 40 = 24
  8. 8.What percent of 80 is 4?
  9. 9.435 is what percent of 500?
  10. 10.99 is what percent of 150?
  11. 11.?% of 80 = 64
  12. 12.368 is what percent of 400?
  13. 13.22 is what percent of 40?
  14. 14.What percent of 25 is 6?
  15. 15.?% of 500 = 425
  16. 16.What percent of 200 is 16?
  17. 17.144 is what percent of 200?
  18. 18.?% of 400 = 252
  19. 19.?% of 250 = 170
  20. 20.?% of 50 = 36
  21. 21.?% of 60 = 33
  22. 22.?% of 20 = 12
  23. 23.?% of 40 = 6
  24. 24.231 is what percent of 300?
  25. 25.What percent of 500 is 90?
  26. 26.?% of 25 = 20
  27. 27.18 is what percent of 25?
  28. 28.?% of 20 = 10
  29. 29.What percent of 25 is 12?
  30. 30.?% of 25 = 12
  31. 31.24 is what percent of 120?
  32. 32.36 is what percent of 400?
  33. 33.?% of 25 = 5
  34. 34.What percent of 20 is 15?
  35. 35.?% of 120 = 96
  36. 36.What percent of 200 is 158?
  37. 37.111 is what percent of 150?
  38. 38.35 is what percent of 250?
  39. 39.21 is what percent of 150?
  40. 40.What percent of 500 is 345?

Answer key

  1. 10
  2. 68
  3. 30
  4. 72
  5. 58
  6. 40
  7. 60
  8. 5
  9. 87
  10. 66
  11. 80
  12. 92
  13. 55
  14. 24
  15. 85
  16. 8
  17. 72
  18. 63
  19. 68
  20. 72
  21. 55
  22. 60
  23. 15
  24. 77
  25. 18
  26. 80
  27. 72
  28. 50
  29. 48
  30. 48
  31. 20
  32. 9
  33. 20
  34. 75
  35. 80
  36. 79
  37. 74
  38. 14
  39. 14
  40. 69

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