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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 149 · 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 40 is 2?
  2. 2.?% of 50 = 45
  3. 3.3 is what percent of 50?
  4. 4.?% of 400 = 76
  5. 5.?% of 50 = 22
  6. 6.What percent of 300 is 210?
  7. 7.344 is what percent of 400?
  8. 8.72 is what percent of 80?
  9. 9.What percent of 300 is 240?
  10. 10.What percent of 20 is 2?
  11. 11.What percent of 150 is 72?
  12. 12.18 is what percent of 120?
  13. 13.33 is what percent of 60?
  14. 14.76 is what percent of 400?
  15. 15.?% of 40 = 28
  16. 16.What percent of 25 is 21?
  17. 17.?% of 400 = 264
  18. 18.?% of 60 = 15
  19. 19.?% of 300 = 231
  20. 20.?% of 20 = 14
  21. 21.117 is what percent of 150?
  22. 22.?% of 60 = 27
  23. 23.What percent of 25 is 11?
  24. 24.What percent of 80 is 32?
  25. 25.66 is what percent of 120?
  26. 26.?% of 120 = 84
  27. 27.23 is what percent of 50?
  28. 28.50 is what percent of 250?
  29. 29.?% of 300 = 243
  30. 30.?% of 80 = 8
  31. 31.What percent of 50 is 7?
  32. 32.What percent of 150 is 36?
  33. 33.63 is what percent of 150?
  34. 34.?% of 50 = 5
  35. 35.16 is what percent of 80?
  36. 36.?% of 60 = 57
  37. 37.What percent of 120 is 102?
  38. 38.25 is what percent of 250?
  39. 39.What percent of 400 is 344?
  40. 40.What percent of 20 is 8?

Answer key

  1. 5
  2. 90
  3. 6
  4. 19
  5. 44
  6. 70
  7. 86
  8. 90
  9. 80
  10. 10
  11. 48
  12. 15
  13. 55
  14. 19
  15. 70
  16. 84
  17. 66
  18. 25
  19. 77
  20. 70
  21. 78
  22. 45
  23. 44
  24. 40
  25. 55
  26. 70
  27. 46
  28. 20
  29. 81
  30. 10
  31. 14
  32. 24
  33. 42
  34. 10
  35. 20
  36. 95
  37. 85
  38. 10
  39. 86
  40. 40

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