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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 904 · 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 25 = 18
  2. 2.What percent of 300 is 36?
  3. 3.?% of 20 = 11
  4. 4.100 is what percent of 400?
  5. 5.What percent of 300 is 45?
  6. 6.42 is what percent of 60?
  7. 7.?% of 300 = 33
  8. 8.What percent of 400 is 220?
  9. 9.What percent of 60 is 42?
  10. 10.?% of 40 = 20
  11. 11.200 is what percent of 500?
  12. 12.?% of 200 = 186
  13. 13.2 is what percent of 20?
  14. 14.What percent of 20 is 18?
  15. 15.32 is what percent of 40?
  16. 16.?% of 500 = 145
  17. 17.?% of 50 = 30
  18. 18.54 is what percent of 120?
  19. 19.33 is what percent of 60?
  20. 20.17 is what percent of 25?
  21. 21.What percent of 50 is 34?
  22. 22.What percent of 60 is 27?
  23. 23.What percent of 80 is 4?
  24. 24.?% of 400 = 116
  25. 25.What percent of 40 is 6?
  26. 26.?% of 40 = 14
  27. 27.?% of 300 = 249
  28. 28.?% of 50 = 31
  29. 29.102 is what percent of 200?
  30. 30.?% of 400 = 136
  31. 31.?% of 25 = 23
  32. 32.What percent of 50 is 44?
  33. 33.14 is what percent of 20?
  34. 34.?% of 50 = 47
  35. 35.?% of 50 = 36
  36. 36.What percent of 40 is 4?
  37. 37.?% of 40 = 22
  38. 38.?% of 50 = 17
  39. 39.What percent of 25 is 6?
  40. 40.What percent of 200 is 134?

Answer key

  1. 72
  2. 12
  3. 55
  4. 25
  5. 15
  6. 70
  7. 11
  8. 55
  9. 70
  10. 50
  11. 40
  12. 93
  13. 10
  14. 90
  15. 80
  16. 29
  17. 60
  18. 45
  19. 55
  20. 68
  21. 68
  22. 45
  23. 5
  24. 29
  25. 15
  26. 35
  27. 83
  28. 62
  29. 51
  30. 34
  31. 92
  32. 88
  33. 70
  34. 94
  35. 72
  36. 10
  37. 55
  38. 34
  39. 24
  40. 67

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