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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 155 · 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 500 is 425?
  2. 2.What percent of 200 is 34?
  3. 3.What percent of 150 is 129?
  4. 4.?% of 200 = 26
  5. 5.?% of 400 = 80
  6. 6.?% of 25 = 18
  7. 7.39 is what percent of 150?
  8. 8.What percent of 20 is 2?
  9. 9.?% of 150 = 78
  10. 10.60 is what percent of 250?
  11. 11.?% of 120 = 12
  12. 12.6 is what percent of 20?
  13. 13.5 is what percent of 20?
  14. 14.What percent of 60 is 39?
  15. 15.What percent of 20 is 4?
  16. 16.145 is what percent of 250?
  17. 17.?% of 40 = 2
  18. 18.?% of 50 = 16
  19. 19.What percent of 80 is 28?
  20. 20.8 is what percent of 20?
  21. 21.What percent of 250 is 160?
  22. 22.What percent of 500 is 470?
  23. 23.14 is what percent of 50?
  24. 24.What percent of 40 is 28?
  25. 25.?% of 25 = 8
  26. 26.?% of 150 = 42
  27. 27.What percent of 20 is 6?
  28. 28.?% of 40 = 34
  29. 29.What percent of 500 is 225?
  30. 30.?% of 60 = 12
  31. 31.18 is what percent of 50?
  32. 32.21 is what percent of 300?
  33. 33.36 is what percent of 120?
  34. 34.?% of 400 = 136
  35. 35.5 is what percent of 50?
  36. 36.?% of 25 = 16
  37. 37.125 is what percent of 250?
  38. 38.?% of 80 = 8
  39. 39.What percent of 80 is 16?
  40. 40.20 is what percent of 50?

Answer key

  1. 85
  2. 17
  3. 86
  4. 13
  5. 20
  6. 72
  7. 26
  8. 10
  9. 52
  10. 24
  11. 10
  12. 30
  13. 25
  14. 65
  15. 20
  16. 58
  17. 5
  18. 32
  19. 35
  20. 40
  21. 64
  22. 94
  23. 28
  24. 70
  25. 32
  26. 28
  27. 30
  28. 85
  29. 45
  30. 20
  31. 36
  32. 7
  33. 30
  34. 34
  35. 10
  36. 64
  37. 50
  38. 10
  39. 20
  40. 40

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