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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 684 · 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 3/8 of a number is 21, what is the number?
  2. 2.If 2/5 of a number is 8, what is the number?
  3. 3.If 1/8 of a number is 4, what is the number?
  4. 4.At a picnic, 1/8 of the children are from Class 5. There are 2 children from Class 5. How many children are at the picnic?
  5. 5.If 3/4 of a number is 21, what is the number?
  6. 6.At a picnic, 7/10 of the children are from Class 5. There are 63 children from Class 5. How many children are at the picnic?
  7. 7.At a picnic, 1/7 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  8. 8.Tara spends 1/3 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Tara have?
  9. 9.Kabir spends 7/8 of the pocket money on a book. The book costs ₹21. How many rupees of pocket money did Kabir have?
  10. 10.If 3/7 of a number is 9, what is the number?
  11. 11.At a picnic, 1/10 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  12. 12.At a picnic, 5/8 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  13. 13.At a picnic, 3/4 of the children are from Class 5. There are 30 children from Class 5. How many children are at the picnic?
  14. 14.Kabir spends 5/6 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Kabir have?
  15. 15.If 3/8 of a number is 12, what is the number?
  16. 16.Ishaan spends 1/4 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Ishaan have?
  17. 17.If 1/3 of a number is 9, what is the number?
  18. 18.At a picnic, 2/9 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  19. 19.If 1/8 of a number is 10, what is the number?
  20. 20.If 3/8 of a number is 24, what is the number?
  21. 21.If 1/3 of a number is 8, what is the number?
  22. 22.Rohan spends 7/8 of the pocket money on a book. The book costs ₹70. How many rupees of pocket money did Rohan have?
  23. 23.At a picnic, 1/7 of the children are from Class 5. There are 7 children from Class 5. How many children are at the picnic?
  24. 24.Riya spends 1/5 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Riya have?
  25. 25.At a picnic, 5/9 of the children are from Class 5. There are 35 children from Class 5. How many children are at the picnic?
  26. 26.If 5/9 of a number is 45, what is the number?
  27. 27.Aarav spends 5/9 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Aarav have?
  28. 28.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?
  29. 29.If 2/9 of a number is 20, what is the number?
  30. 30.At a picnic, 2/9 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  31. 31.If 3/5 of a number is 18, what is the number?
  32. 32.At a picnic, 2/7 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  33. 33.Diya spends 1/4 of the pocket money on a book. The book costs ₹5. How many rupees of pocket money did Diya have?
  34. 34.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?
  35. 35.Kabir spends 1/3 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Kabir have?
  36. 36.At a picnic, 1/5 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  37. 37.If 1/2 of a number is 6, what is the number?
  38. 38.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?
  39. 39.At a picnic, 3/8 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  40. 40.Riya spends 5/8 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Riya have?

Answer key

  1. 56
  2. 20
  3. 32
  4. 16
  5. 28
  6. 90
  7. 42
  8. 30
  9. 24
  10. 21
  11. 80
  12. 32
  13. 40
  14. 12
  15. 32
  16. 40
  17. 27
  18. 36
  19. 80
  20. 64
  21. 24
  22. 80
  23. 49
  24. 45
  25. 63
  26. 81
  27. 27
  28. 36
  29. 90
  30. 45
  31. 30
  32. 21
  33. 20
  34. 15
  35. 30
  36. 15
  37. 12
  38. 28
  39. 16
  40. 16

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