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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 285 · 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. 1.102 is what percent of 300?
  2. 2.What percent of 120 is 48?
  3. 3.What percent of 300 is 18?
  4. 4.What percent of 400 is 260?
  5. 5.?% of 200 = 20
  6. 6.What percent of 20 is 8?
  7. 7.10 is what percent of 25?
  8. 8.?% of 200 = 80
  9. 9.What percent of 40 is 4?
  10. 10.?% of 60 = 57
  11. 11.What percent of 80 is 36?
  12. 12.What percent of 20 is 16?
  13. 13.What percent of 500 is 450?
  14. 14.?% of 60 = 27
  15. 15.?% of 25 = 16
  16. 16.16 is what percent of 80?
  17. 17.?% of 80 = 76
  18. 18.22 is what percent of 25?
  19. 19.What percent of 200 is 186?
  20. 20.45 is what percent of 250?
  21. 21.What percent of 50 is 43?
  22. 22.155 is what percent of 500?
  23. 23.24 is what percent of 60?
  24. 24.What percent of 80 is 12?
  25. 25.17 is what percent of 20?
  26. 26.?% of 80 = 60
  27. 27.What percent of 40 is 14?
  28. 28.What percent of 50 is 5?
  29. 29.What percent of 50 is 36?
  30. 30.?% of 300 = 84
  31. 31.76 is what percent of 80?
  32. 32.?% of 200 = 68
  33. 33.?% of 200 = 136
  34. 34.22 is what percent of 40?
  35. 35.?% of 40 = 24
  36. 36.What percent of 400 is 364?
  37. 37.?% of 120 = 78
  38. 38.4 is what percent of 80?
  39. 39.What percent of 25 is 2?
  40. 40.What percent of 50 is 14?

Answer key

  1. 34
  2. 40
  3. 6
  4. 65
  5. 10
  6. 40
  7. 40
  8. 40
  9. 10
  10. 95
  11. 45
  12. 80
  13. 90
  14. 45
  15. 64
  16. 20
  17. 95
  18. 88
  19. 93
  20. 18
  21. 86
  22. 31
  23. 40
  24. 15
  25. 85
  26. 75
  27. 35
  28. 10
  29. 72
  30. 28
  31. 95
  32. 34
  33. 68
  34. 55
  35. 60
  36. 91
  37. 65
  38. 5
  39. 8
  40. 28

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