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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 555 · 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 80 = 56
  2. 2.What percent of 40 is 36?
  3. 3.What percent of 150 is 84?
  4. 4.10 is what percent of 50?
  5. 5.?% of 200 = 64
  6. 6.188 is what percent of 400?
  7. 7.?% of 250 = 170
  8. 8.12 is what percent of 40?
  9. 9.What percent of 200 is 118?
  10. 10.25 is what percent of 250?
  11. 11.99 is what percent of 300?
  12. 12.What percent of 250 is 170?
  13. 13.What percent of 400 is 244?
  14. 14.4 is what percent of 50?
  15. 15.?% of 40 = 32
  16. 16.355 is what percent of 500?
  17. 17.?% of 400 = 336
  18. 18.What percent of 25 is 8?
  19. 19.310 is what percent of 500?
  20. 20.What percent of 150 is 57?
  21. 21.What percent of 40 is 2?
  22. 22.What percent of 300 is 123?
  23. 23.135 is what percent of 250?
  24. 24.120 is what percent of 150?
  25. 25.?% of 150 = 33
  26. 26.What percent of 300 is 159?
  27. 27.What percent of 80 is 76?
  28. 28.?% of 120 = 96
  29. 29.?% of 80 = 76
  30. 30.150 is what percent of 200?
  31. 31.12 is what percent of 25?
  32. 32.10 is what percent of 20?
  33. 33.?% of 150 = 39
  34. 34.What percent of 50 is 33?
  35. 35.What percent of 200 is 166?
  36. 36.What percent of 300 is 255?
  37. 37.?% of 25 = 5
  38. 38.?% of 50 = 15
  39. 39.8 is what percent of 25?
  40. 40.7 is what percent of 50?

Answer key

  1. 70
  2. 90
  3. 56
  4. 20
  5. 32
  6. 47
  7. 68
  8. 30
  9. 59
  10. 10
  11. 33
  12. 68
  13. 61
  14. 8
  15. 80
  16. 71
  17. 84
  18. 32
  19. 62
  20. 38
  21. 5
  22. 41
  23. 54
  24. 80
  25. 22
  26. 53
  27. 95
  28. 80
  29. 95
  30. 75
  31. 48
  32. 50
  33. 26
  34. 66
  35. 83
  36. 85
  37. 20
  38. 30
  39. 32
  40. 14

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