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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 852 · 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. 1.9 is what percent of 20?
  2. 2.?% of 50 = 14
  3. 3.20 is what percent of 80?
  4. 4.What percent of 60 is 15?
  5. 5.What percent of 40 is 2?
  6. 6.36 is what percent of 150?
  7. 7.?% of 500 = 255
  8. 8.?% of 60 = 48
  9. 9.What percent of 120 is 60?
  10. 10.30 is what percent of 40?
  11. 11.?% of 400 = 296
  12. 12.What percent of 500 is 145?
  13. 13.What percent of 500 is 275?
  14. 14.?% of 25 = 8
  15. 15.300 is what percent of 400?
  16. 16.?% of 25 = 5
  17. 17.What percent of 25 is 2?
  18. 18.100 is what percent of 500?
  19. 19.445 is what percent of 500?
  20. 20.24 is what percent of 50?
  21. 21.16 is what percent of 40?
  22. 22.What percent of 80 is 52?
  23. 23.What percent of 400 is 104?
  24. 24.?% of 200 = 22
  25. 25.What percent of 300 is 201?
  26. 26.?% of 300 = 48
  27. 27.?% of 60 = 42
  28. 28.?% of 400 = 88
  29. 29.?% of 500 = 270
  30. 30.114 is what percent of 300?
  31. 31.?% of 500 = 240
  32. 32.?% of 25 = 7
  33. 33.8 is what percent of 25?
  34. 34.What percent of 80 is 48?
  35. 35.9 is what percent of 25?
  36. 36.6 is what percent of 40?
  37. 37.36 is what percent of 80?
  38. 38.?% of 60 = 3
  39. 39.What percent of 20 is 17?
  40. 40.18 is what percent of 120?

Answer key

  1. 45
  2. 28
  3. 25
  4. 25
  5. 5
  6. 24
  7. 51
  8. 80
  9. 50
  10. 75
  11. 74
  12. 29
  13. 55
  14. 32
  15. 75
  16. 20
  17. 8
  18. 20
  19. 89
  20. 48
  21. 40
  22. 65
  23. 26
  24. 11
  25. 67
  26. 16
  27. 70
  28. 22
  29. 54
  30. 38
  31. 48
  32. 28
  33. 32
  34. 60
  35. 36
  36. 15
  37. 45
  38. 5
  39. 85
  40. 15

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