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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 818 · 40 questions
TalentJR

The method (Back to one part): Divide the given part by the top number: that is one share. Multiply one share by the bottom number: that is the whole. Check: the fraction of your answer must give the part.

NameDateTime takenScore ___ / 40
  1. 1.If 3/10 of a number is 30, what is the number?
  2. 2.If 3/8 of a number is 12, what is the number?
  3. 3.Rohan spends 1/3 of the pocket money on a book. The book costs ₹5. How many rupees of pocket money did Rohan have?
  4. 4.If 5/6 of a number is 15, what is the number?
  5. 5.At a picnic, 3/5 of the children are from Class 5. There are 18 children from Class 5. How many children are at the picnic?
  6. 6.Sara spends 4/7 of the pocket money on a book. The book costs ₹28. How many rupees of pocket money did Sara have?
  7. 7.If 1/2 of a number is 4, what is the number?
  8. 8.If 4/5 of a number is 40, what is the number?
  9. 9.Kabir spends 1/2 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Kabir have?
  10. 10.At a picnic, 5/7 of the children are from Class 5. There are 50 children from Class 5. How many children are at the picnic?
  11. 11.Aarav spends 3/5 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Aarav have?
  12. 12.At a picnic, 5/9 of the children are from Class 5. There are 25 children from Class 5. How many children are at the picnic?
  13. 13.If 3/5 of a number is 9, what is the number?
  14. 14.At a picnic, 1/9 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  15. 15.If 5/8 of a number is 50, what is the number?
  16. 16.If 1/10 of a number is 10, what is the number?
  17. 17.At a picnic, 3/10 of the children are from Class 5. There are 9 children from Class 5. How many children are at the picnic?
  18. 18.At a picnic, 1/7 of the children are from Class 5. There are 9 children from Class 5. How many children are at the picnic?
  19. 19.If 2/3 of a number is 14, what is the number?
  20. 20.Aarav spends 5/7 of the pocket money on a book. The book costs ₹35. How many rupees of pocket money did Aarav have?
  21. 21.Tara spends 2/3 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Tara have?
  22. 22.At a picnic, 5/7 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  23. 23.At a picnic, 2/3 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  24. 24.Vihaan spends 7/8 of the pocket money on a book. The book costs ₹63. How many rupees of pocket money did Vihaan have?
  25. 25.At a picnic, 5/7 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  26. 26.If 1/4 of a number is 9, what is the number?
  27. 27.At a picnic, 1/3 of the children are from Class 5. There are 5 children from Class 5. How many children are at the picnic?
  28. 28.Kabir spends 5/7 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Kabir have?
  29. 29.If 3/4 of a number is 6, what is the number?
  30. 30.If 1/6 of a number is 9, what is the number?
  31. 31.At a picnic, 5/6 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  32. 32.Sara spends 5/9 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Sara have?
  33. 33.Aarav spends 3/4 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Aarav have?
  34. 34.If 7/10 of a number is 70, what is the number?
  35. 35.Riya spends 3/7 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Riya have?
  36. 36.If 1/3 of a number is 3, what is the number?
  37. 37.At a picnic, 1/3 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  38. 38.At a picnic, 3/7 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  39. 39.Diya spends 2/5 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Diya have?
  40. 40.Rohan spends 1/4 of the pocket money on a book. The book costs ₹7. How many rupees of pocket money did Rohan have?

Answer key

  1. 100
  2. 32
  3. 15
  4. 18
  5. 30
  6. 49
  7. 8
  8. 50
  9. 16
  10. 70
  11. 15
  12. 45
  13. 15
  14. 54
  15. 80
  16. 100
  17. 30
  18. 63
  19. 21
  20. 49
  21. 27
  22. 14
  23. 15
  24. 72
  25. 28
  26. 36
  27. 15
  28. 14
  29. 8
  30. 54
  31. 24
  32. 27
  33. 24
  34. 100
  35. 70
  36. 9
  37. 9
  38. 14
  39. 15
  40. 28

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