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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 690 · 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 25 is 10?
  2. 2.?% of 120 = 66
  3. 3.?% of 20 = 17
  4. 4.What percent of 40 is 36?
  5. 5.230 is what percent of 500?
  6. 6.?% of 80 = 12
  7. 7.What percent of 150 is 30?
  8. 8.What percent of 400 is 180?
  9. 9.What percent of 25 is 2?
  10. 10.?% of 300 = 30
  11. 11.?% of 200 = 86
  12. 12.345 is what percent of 500?
  13. 13.What percent of 60 is 6?
  14. 14.52 is what percent of 80?
  15. 15.90 is what percent of 250?
  16. 16.What percent of 40 is 24?
  17. 17.What percent of 60 is 48?
  18. 18.249 is what percent of 300?
  19. 19.What percent of 80 is 28?
  20. 20.?% of 40 = 12
  21. 21.?% of 500 = 175
  22. 22.?% of 50 = 46
  23. 23.What percent of 60 is 39?
  24. 24.48 is what percent of 60?
  25. 25.?% of 400 = 348
  26. 26.What percent of 40 is 32?
  27. 27.?% of 20 = 16
  28. 28.36 is what percent of 40?
  29. 29.41 is what percent of 50?
  30. 30.What percent of 80 is 8?
  31. 31.What percent of 250 is 180?
  32. 32.39 is what percent of 60?
  33. 33.?% of 25 = 23
  34. 34.What percent of 20 is 18?
  35. 35.What percent of 80 is 12?
  36. 36.?% of 500 = 420
  37. 37.129 is what percent of 150?
  38. 38.?% of 250 = 160
  39. 39.What percent of 20 is 19?
  40. 40.27 is what percent of 150?

Answer key

  1. 40
  2. 55
  3. 85
  4. 90
  5. 46
  6. 15
  7. 20
  8. 45
  9. 8
  10. 10
  11. 43
  12. 69
  13. 10
  14. 65
  15. 36
  16. 60
  17. 80
  18. 83
  19. 35
  20. 30
  21. 35
  22. 92
  23. 65
  24. 80
  25. 87
  26. 80
  27. 80
  28. 90
  29. 82
  30. 10
  31. 72
  32. 65
  33. 92
  34. 90
  35. 15
  36. 84
  37. 86
  38. 64
  39. 95
  40. 18

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