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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 586 · 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.At a picnic, 1/9 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  2. 2.At a picnic, 5/9 of the children are from Class 5. There are 50 children from Class 5. How many children are at the picnic?
  3. 3.At a picnic, 2/5 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  4. 4.If 1/3 of a number is 4, what is the number?
  5. 5.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?
  6. 6.Riya spends 8/9 of the pocket money on a book. The book costs ₹72. How many rupees of pocket money did Riya have?
  7. 7.At a picnic, 2/3 of the children are from Class 5. There are 18 children from Class 5. How many children are at the picnic?
  8. 8.At a picnic, 1/4 of the children are from Class 5. There are 2 children from Class 5. How many children are at the picnic?
  9. 9.Sara spends 1/9 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Sara have?
  10. 10.Arjun spends 5/8 of the pocket money on a book. The book costs ₹25. How many rupees of pocket money did Arjun have?
  11. 11.Sara spends 5/9 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Sara have?
  12. 12.If 5/6 of a number is 30, what is the number?
  13. 13.Diya spends 3/10 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Diya have?
  14. 14.Riya spends 3/5 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Riya have?
  15. 15.If 7/9 of a number is 42, what is the number?
  16. 16.If 5/9 of a number is 20, what is the number?
  17. 17.Anaya spends 5/8 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Anaya have?
  18. 18.If 3/5 of a number is 9, what is the number?
  19. 19.At a picnic, 2/3 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  20. 20.If 3/4 of a number is 9, what is the number?
  21. 21.If 5/9 of a number is 25, what is the number?
  22. 22.If 4/5 of a number is 28, what is the number?
  23. 23.At a picnic, 7/8 of the children are from Class 5. There are 56 children from Class 5. How many children are at the picnic?
  24. 24.At a picnic, 2/5 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  25. 25.At a picnic, 1/5 of the children are from Class 5. There are 2 children from Class 5. How many children are at the picnic?
  26. 26.Rohan spends 1/2 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Rohan have?
  27. 27.At a picnic, 1/9 of the children are from Class 5. There are 7 children from Class 5. How many children are at the picnic?
  28. 28.If 9/10 of a number is 18, what is the number?
  29. 29.If 1/8 of a number is 4, what is the number?
  30. 30.If 2/3 of a number is 8, what is the number?
  31. 31.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?
  32. 32.If 4/7 of a number is 12, what is the number?
  33. 33.If 4/9 of a number is 16, what is the number?
  34. 34.Vihaan spends 4/7 of the pocket money on a book. The book costs ₹28. How many rupees of pocket money did Vihaan have?
  35. 35.If 2/3 of a number is 6, what is the number?
  36. 36.Vihaan spends 4/9 of the pocket money on a book. The book costs ₹36. How many rupees of pocket money did Vihaan have?
  37. 37.Diya spends 5/6 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Diya have?
  38. 38.Ishaan spends 8/9 of the pocket money on a book. The book costs ₹64. How many rupees of pocket money did Ishaan have?
  39. 39.Ishaan spends 5/9 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Ishaan have?
  40. 40.At a picnic, 4/9 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?

Answer key

  1. 90
  2. 90
  3. 10
  4. 12
  5. 60
  6. 81
  7. 27
  8. 8
  9. 81
  10. 40
  11. 54
  12. 36
  13. 60
  14. 30
  15. 54
  16. 36
  17. 64
  18. 15
  19. 18
  20. 12
  21. 45
  22. 35
  23. 64
  24. 25
  25. 10
  26. 18
  27. 63
  28. 20
  29. 32
  30. 12
  31. 56
  32. 21
  33. 36
  34. 49
  35. 9
  36. 81
  37. 36
  38. 72
  39. 54
  40. 45

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