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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 312 · 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 25 is 8?
  2. 2.36 is what percent of 150?
  3. 3.?% of 500 = 80
  4. 4.?% of 20 = 6
  5. 5.?% of 40 = 2
  6. 6.32 is what percent of 400?
  7. 7.?% of 80 = 28
  8. 8.What percent of 80 is 60?
  9. 9.What percent of 120 is 42?
  10. 10.What percent of 50 is 14?
  11. 11.225 is what percent of 500?
  12. 12.What percent of 150 is 27?
  13. 13.104 is what percent of 200?
  14. 14.?% of 20 = 5
  15. 15.What percent of 400 is 372?
  16. 16.?% of 150 = 123
  17. 17.What percent of 250 is 165?
  18. 18.?% of 300 = 72
  19. 19.12 is what percent of 40?
  20. 20.What percent of 400 is 364?
  21. 21.3 is what percent of 60?
  22. 22.?% of 400 = 328
  23. 23.?% of 300 = 234
  24. 24.40 is what percent of 400?
  25. 25.9 is what percent of 150?
  26. 26.What percent of 20 is 15?
  27. 27.?% of 400 = 220
  28. 28.What percent of 250 is 15?
  29. 29.78 is what percent of 300?
  30. 30.44 is what percent of 80?
  31. 31.?% of 40 = 20
  32. 32.?% of 200 = 80
  33. 33.What percent of 40 is 24?
  34. 34.352 is what percent of 400?
  35. 35.?% of 300 = 198
  36. 36.What percent of 200 is 158?
  37. 37.12 is what percent of 150?
  38. 38.188 is what percent of 200?
  39. 39.16 is what percent of 80?
  40. 40.16 is what percent of 25?

Answer key

  1. 32
  2. 24
  3. 16
  4. 30
  5. 5
  6. 8
  7. 35
  8. 75
  9. 35
  10. 28
  11. 45
  12. 18
  13. 52
  14. 25
  15. 93
  16. 82
  17. 66
  18. 24
  19. 30
  20. 91
  21. 5
  22. 82
  23. 78
  24. 10
  25. 6
  26. 75
  27. 55
  28. 6
  29. 26
  30. 55
  31. 50
  32. 40
  33. 60
  34. 88
  35. 66
  36. 79
  37. 8
  38. 94
  39. 20
  40. 64

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