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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 583 · 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 400 = 156
  2. 2.What percent of 250 is 225?
  3. 3.What percent of 40 is 14?
  4. 4.What percent of 120 is 84?
  5. 5.17 is what percent of 20?
  6. 6.?% of 200 = 50
  7. 7.What percent of 200 is 110?
  8. 8.?% of 40 = 16
  9. 9.?% of 300 = 102
  10. 10.180 is what percent of 250?
  11. 11.What percent of 500 is 80?
  12. 12.What percent of 300 is 234?
  13. 13.What percent of 20 is 11?
  14. 14.What percent of 60 is 15?
  15. 15.What percent of 150 is 78?
  16. 16.?% of 400 = 140
  17. 17.What percent of 80 is 32?
  18. 18.?% of 50 = 26
  19. 19.What percent of 120 is 108?
  20. 20.What percent of 25 is 12?
  21. 21.4 is what percent of 80?
  22. 22.?% of 300 = 45
  23. 23.What percent of 25 is 16?
  24. 24.63 is what percent of 150?
  25. 25.?% of 150 = 126
  26. 26.What percent of 400 is 72?
  27. 27.23 is what percent of 50?
  28. 28.What percent of 400 is 176?
  29. 29.?% of 500 = 95
  30. 30.?% of 200 = 22
  31. 31.80 is what percent of 250?
  32. 32.72 is what percent of 80?
  33. 33.?% of 400 = 292
  34. 34.What percent of 20 is 3?
  35. 35.What percent of 250 is 145?
  36. 36.What percent of 300 is 240?
  37. 37.What percent of 60 is 51?
  38. 38.400 is what percent of 500?
  39. 39.96 is what percent of 200?
  40. 40.12 is what percent of 50?

Answer key

  1. 39
  2. 90
  3. 35
  4. 70
  5. 85
  6. 25
  7. 55
  8. 40
  9. 34
  10. 72
  11. 16
  12. 78
  13. 55
  14. 25
  15. 52
  16. 35
  17. 40
  18. 52
  19. 90
  20. 48
  21. 5
  22. 15
  23. 64
  24. 42
  25. 84
  26. 18
  27. 46
  28. 44
  29. 19
  30. 11
  31. 32
  32. 90
  33. 73
  34. 15
  35. 58
  36. 80
  37. 85
  38. 80
  39. 48
  40. 24

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