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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 94 · 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 5/7 of a number is 15, what is the number?
  2. 2.If 2/5 of a number is 4, what is the number?
  3. 3.At a picnic, 5/9 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  4. 4.If 5/6 of a number is 40, what is the number?
  5. 5.At a picnic, 3/7 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  6. 6.Tara spends 9/10 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Tara have?
  7. 7.At a picnic, 3/4 of the children are from Class 5. There are 9 children from Class 5. How many children are at the picnic?
  8. 8.If 1/4 of a number is 9, what is the number?
  9. 9.At a picnic, 8/9 of the children are from Class 5. There are 32 children from Class 5. How many children are at the picnic?
  10. 10.At a picnic, 1/10 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  11. 11.If 7/10 of a number is 21, what is the number?
  12. 12.At a picnic, 5/6 of the children are from Class 5. There are 35 children from Class 5. How many children are at the picnic?
  13. 13.At a picnic, 1/3 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  14. 14.Ishaan spends 2/3 of the pocket money on a book. The book costs ₹14. How many rupees of pocket money did Ishaan have?
  15. 15.Arjun spends 3/10 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Arjun have?
  16. 16.If 4/5 of a number is 24, what is the number?
  17. 17.At a picnic, 1/8 of the children are from Class 5. There are 7 children from Class 5. How many children are at the picnic?
  18. 18.Meera spends 4/7 of the pocket money on a book. The book costs ₹36. How many rupees of pocket money did Meera have?
  19. 19.At a picnic, 1/7 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  20. 20.At a picnic, 7/8 of the children are from Class 5. There are 42 children from Class 5. How many children are at the picnic?
  21. 21.At a picnic, 5/6 of the children are from Class 5. There are 25 children from Class 5. How many children are at the picnic?
  22. 22.At a picnic, 7/10 of the children are from Class 5. There are 42 children from Class 5. How many children are at the picnic?
  23. 23.At a picnic, 9/10 of the children are from Class 5. There are 63 children from Class 5. How many children are at the picnic?
  24. 24.If 1/3 of a number is 2, what is the number?
  25. 25.If 1/2 of a number is 7, what is the number?
  26. 26.At a picnic, 4/5 of the children are from Class 5. There are 36 children from Class 5. How many children are at the picnic?
  27. 27.Ishaan spends 3/10 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Ishaan have?
  28. 28.At a picnic, 5/7 of the children are from Class 5. There are 40 children from Class 5. How many children are at the picnic?
  29. 29.Vihaan spends 3/10 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Vihaan have?
  30. 30.If 5/7 of a number is 45, what is the number?
  31. 31.Riya spends 3/10 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Riya have?
  32. 32.At a picnic, 1/7 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  33. 33.If 1/9 of a number is 10, what is the number?
  34. 34.At a picnic, 3/4 of the children are from Class 5. There are 21 children from Class 5. How many children are at the picnic?
  35. 35.If 7/9 of a number is 14, what is the number?
  36. 36.At a picnic, 7/9 of the children are from Class 5. There are 28 children from Class 5. How many children are at the picnic?
  37. 37.Riya spends 4/7 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Riya have?
  38. 38.At a picnic, 3/4 of the children are from Class 5. There are 18 children from Class 5. How many children are at the picnic?
  39. 39.If 8/9 of a number is 64, what is the number?
  40. 40.Aarav spends 1/9 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Aarav have?

Answer key

  1. 21
  2. 10
  3. 36
  4. 48
  5. 56
  6. 20
  7. 12
  8. 36
  9. 36
  10. 60
  11. 30
  12. 42
  13. 18
  14. 21
  15. 50
  16. 30
  17. 56
  18. 63
  19. 21
  20. 48
  21. 30
  22. 60
  23. 70
  24. 6
  25. 14
  26. 45
  27. 50
  28. 56
  29. 100
  30. 63
  31. 100
  32. 70
  33. 90
  34. 28
  35. 18
  36. 36
  37. 21
  38. 24
  39. 72
  40. 54

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