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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 802 · 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 300 is 15?
  2. 2.?% of 300 = 261
  3. 3.What percent of 500 is 100?
  4. 4.16 is what percent of 80?
  5. 5.?% of 20 = 5
  6. 6.?% of 40 = 10
  7. 7.What percent of 20 is 6?
  8. 8.?% of 300 = 66
  9. 9.What percent of 20 is 1?
  10. 10.What percent of 250 is 35?
  11. 11.What percent of 25 is 23?
  12. 12.?% of 25 = 11
  13. 13.What percent of 500 is 165?
  14. 14.What percent of 20 is 15?
  15. 15.?% of 500 = 450
  16. 16.?% of 250 = 50
  17. 17.6 is what percent of 20?
  18. 18.45 is what percent of 60?
  19. 19.What percent of 50 is 31?
  20. 20.38 is what percent of 40?
  21. 21.?% of 25 = 9
  22. 22.?% of 25 = 23
  23. 23.236 is what percent of 400?
  24. 24.?% of 120 = 96
  25. 25.What percent of 50 is 26?
  26. 26.What percent of 40 is 2?
  27. 27.81 is what percent of 300?
  28. 28.What percent of 500 is 310?
  29. 29.What percent of 500 is 220?
  30. 30.?% of 300 = 240
  31. 31.32 is what percent of 200?
  32. 32.What percent of 150 is 51?
  33. 33.What percent of 50 is 7?
  34. 34.What percent of 300 is 48?
  35. 35.?% of 200 = 48
  36. 36.What percent of 300 is 156?
  37. 37.96 is what percent of 400?
  38. 38.What percent of 60 is 51?
  39. 39.?% of 250 = 195
  40. 40.7 is what percent of 20?

Answer key

  1. 5
  2. 87
  3. 20
  4. 20
  5. 25
  6. 25
  7. 30
  8. 22
  9. 5
  10. 14
  11. 92
  12. 44
  13. 33
  14. 75
  15. 90
  16. 20
  17. 30
  18. 75
  19. 62
  20. 95
  21. 36
  22. 92
  23. 59
  24. 80
  25. 52
  26. 5
  27. 27
  28. 62
  29. 44
  30. 80
  31. 16
  32. 34
  33. 14
  34. 16
  35. 24
  36. 52
  37. 24
  38. 85
  39. 78
  40. 35

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