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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 761 · 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.What percent of 120 is 30?
  2. 2.24 is what percent of 120?
  3. 3.?% of 25 = 8
  4. 4.108 is what percent of 120?
  5. 5.72 is what percent of 80?
  6. 6.?% of 40 = 16
  7. 7.What percent of 400 is 200?
  8. 8.?% of 250 = 220
  9. 9.?% of 150 = 27
  10. 10.?% of 80 = 60
  11. 11.What percent of 200 is 166?
  12. 12.96 is what percent of 150?
  13. 13.What percent of 50 is 34?
  14. 14.200 is what percent of 250?
  15. 15.90 is what percent of 250?
  16. 16.51 is what percent of 150?
  17. 17.What percent of 150 is 63?
  18. 18.What percent of 500 is 205?
  19. 19.9 is what percent of 25?
  20. 20.?% of 400 = 224
  21. 21.?% of 300 = 15
  22. 22.What percent of 60 is 24?
  23. 23.43 is what percent of 50?
  24. 24.26 is what percent of 50?
  25. 25.6 is what percent of 120?
  26. 26.96 is what percent of 300?
  27. 27.?% of 60 = 45
  28. 28.What percent of 25 is 5?
  29. 29.What percent of 20 is 14?
  30. 30.What percent of 40 is 4?
  31. 31.?% of 25 = 2
  32. 32.?% of 80 = 24
  33. 33.What percent of 60 is 33?
  34. 34.?% of 400 = 236
  35. 35.What percent of 200 is 24?
  36. 36.What percent of 250 is 135?
  37. 37.?% of 80 = 48
  38. 38.What percent of 300 is 81?
  39. 39.What percent of 20 is 4?
  40. 40.What percent of 20 is 12?

Answer key

  1. 25
  2. 20
  3. 32
  4. 90
  5. 90
  6. 40
  7. 50
  8. 88
  9. 18
  10. 75
  11. 83
  12. 64
  13. 68
  14. 80
  15. 36
  16. 34
  17. 42
  18. 41
  19. 36
  20. 56
  21. 5
  22. 40
  23. 86
  24. 52
  25. 5
  26. 32
  27. 75
  28. 20
  29. 70
  30. 10
  31. 8
  32. 30
  33. 55
  34. 59
  35. 12
  36. 54
  37. 60
  38. 27
  39. 20
  40. 60

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