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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 507 · 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. 1.36 is what percent of 80?
  2. 2.?% of 200 = 190
  3. 3.What percent of 25 is 22?
  4. 4.What percent of 120 is 36?
  5. 5.?% of 150 = 54
  6. 6.?% of 20 = 16
  7. 7.What percent of 200 is 172?
  8. 8.180 is what percent of 250?
  9. 9.What percent of 80 is 28?
  10. 10.30 is what percent of 120?
  11. 11.124 is what percent of 400?
  12. 12.175 is what percent of 500?
  13. 13.What percent of 120 is 66?
  14. 14.23 is what percent of 50?
  15. 15.4 is what percent of 20?
  16. 16.What percent of 150 is 123?
  17. 17.39 is what percent of 50?
  18. 18.28 is what percent of 80?
  19. 19.What percent of 300 is 156?
  20. 20.What percent of 25 is 19?
  21. 21.What percent of 500 is 190?
  22. 22.What percent of 300 is 270?
  23. 23.What percent of 150 is 108?
  24. 24.?% of 500 = 465
  25. 25.?% of 200 = 90
  26. 26.What percent of 120 is 90?
  27. 27.?% of 120 = 114
  28. 28.38 is what percent of 50?
  29. 29.45 is what percent of 500?
  30. 30.What percent of 150 is 132?
  31. 31.?% of 200 = 102
  32. 32.What percent of 80 is 4?
  33. 33.?% of 40 = 4
  34. 34.20 is what percent of 250?
  35. 35.3 is what percent of 20?
  36. 36.2 is what percent of 40?
  37. 37.What percent of 20 is 3?
  38. 38.What percent of 120 is 54?
  39. 39.What percent of 20 is 18?
  40. 40.?% of 40 = 20

Answer key

  1. 45
  2. 95
  3. 88
  4. 30
  5. 36
  6. 80
  7. 86
  8. 72
  9. 35
  10. 25
  11. 31
  12. 35
  13. 55
  14. 46
  15. 20
  16. 82
  17. 78
  18. 35
  19. 52
  20. 76
  21. 38
  22. 90
  23. 72
  24. 93
  25. 45
  26. 75
  27. 95
  28. 76
  29. 9
  30. 88
  31. 51
  32. 5
  33. 10
  34. 8
  35. 15
  36. 5
  37. 15
  38. 45
  39. 90
  40. 50

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