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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 9 · 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 60 = 6
  2. 2.?% of 500 = 390
  3. 3.?% of 120 = 24
  4. 4.100 is what percent of 250?
  5. 5.What percent of 150 is 57?
  6. 6.What percent of 20 is 10?
  7. 7.What percent of 40 is 28?
  8. 8.68 is what percent of 200?
  9. 9.What percent of 50 is 23?
  10. 10.?% of 50 = 8
  11. 11.?% of 120 = 12
  12. 12.?% of 250 = 55
  13. 13.What percent of 150 is 120?
  14. 14.What percent of 120 is 60?
  15. 15.150 is what percent of 200?
  16. 16.30 is what percent of 500?
  17. 17.?% of 250 = 70
  18. 18.What percent of 300 is 249?
  19. 19.What percent of 250 is 85?
  20. 20.?% of 50 = 47
  21. 21.5 is what percent of 25?
  22. 22.102 is what percent of 150?
  23. 23.8 is what percent of 80?
  24. 24.What percent of 25 is 5?
  25. 25.18 is what percent of 50?
  26. 26.?% of 60 = 30
  27. 27.What percent of 500 is 455?
  28. 28.?% of 400 = 220
  29. 29.What percent of 25 is 23?
  30. 30.144 is what percent of 300?
  31. 31.What percent of 40 is 24?
  32. 32.What percent of 300 is 69?
  33. 33.?% of 20 = 9
  34. 34.?% of 200 = 46
  35. 35.What percent of 80 is 32?
  36. 36.18 is what percent of 25?
  37. 37.66 is what percent of 120?
  38. 38.?% of 20 = 19
  39. 39.What percent of 400 is 292?
  40. 40.21 is what percent of 150?

Answer key

  1. 10
  2. 78
  3. 20
  4. 40
  5. 38
  6. 50
  7. 70
  8. 34
  9. 46
  10. 16
  11. 10
  12. 22
  13. 80
  14. 50
  15. 75
  16. 6
  17. 28
  18. 83
  19. 34
  20. 94
  21. 20
  22. 68
  23. 10
  24. 20
  25. 36
  26. 50
  27. 91
  28. 55
  29. 92
  30. 48
  31. 60
  32. 23
  33. 45
  34. 23
  35. 40
  36. 72
  37. 55
  38. 95
  39. 73
  40. 14

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