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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 125 · 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 300 = 267
  2. 2.?% of 300 = 168
  3. 3.?% of 25 = 21
  4. 4.?% of 25 = 22
  5. 5.410 is what percent of 500?
  6. 6.?% of 250 = 200
  7. 7.What percent of 250 is 210?
  8. 8.?% of 200 = 136
  9. 9.?% of 200 = 70
  10. 10.?% of 20 = 16
  11. 11.2 is what percent of 20?
  12. 12.?% of 400 = 372
  13. 13.?% of 50 = 31
  14. 14.?% of 80 = 36
  15. 15.39 is what percent of 50?
  16. 16.?% of 20 = 5
  17. 17.?% of 80 = 8
  18. 18.?% of 40 = 14
  19. 19.What percent of 120 is 90?
  20. 20.16 is what percent of 80?
  21. 21.?% of 300 = 270
  22. 22.?% of 80 = 48
  23. 23.4 is what percent of 20?
  24. 24.What percent of 20 is 16?
  25. 25.What percent of 25 is 21?
  26. 26.?% of 120 = 36
  27. 27.?% of 50 = 23
  28. 28.?% of 400 = 332
  29. 29.85 is what percent of 500?
  30. 30.?% of 300 = 126
  31. 31.What percent of 250 is 25?
  32. 32.52 is what percent of 80?
  33. 33.15 is what percent of 250?
  34. 34.What percent of 25 is 3?
  35. 35.?% of 80 = 20
  36. 36.50 is what percent of 200?
  37. 37.90 is what percent of 250?
  38. 38.?% of 400 = 112
  39. 39.What percent of 50 is 24?
  40. 40.11 is what percent of 50?

Answer key

  1. 89
  2. 56
  3. 84
  4. 88
  5. 82
  6. 80
  7. 84
  8. 68
  9. 35
  10. 80
  11. 10
  12. 93
  13. 62
  14. 45
  15. 78
  16. 25
  17. 10
  18. 35
  19. 75
  20. 20
  21. 90
  22. 60
  23. 20
  24. 80
  25. 84
  26. 30
  27. 46
  28. 83
  29. 17
  30. 42
  31. 10
  32. 65
  33. 6
  34. 12
  35. 25
  36. 25
  37. 36
  38. 28
  39. 48
  40. 22

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