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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 21 · 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 5/8 of a number is 50, what is the number?
  2. 2.At a picnic, 6/7 of the children are from Class 5. There are 42 children from Class 5. How many children are at the picnic?
  3. 3.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?
  4. 4.If 5/9 of a number is 15, what is the number?
  5. 5.At a picnic, 3/8 of the children are from Class 5. There are 27 children from Class 5. How many children are at the picnic?
  6. 6.If 1/2 of a number is 7, what is the number?
  7. 7.At a picnic, 7/10 of the children are from Class 5. There are 14 children from Class 5. How many children are at the picnic?
  8. 8.Sara spends 2/5 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Sara have?
  9. 9.Anaya spends 2/9 of the pocket money on a book. The book costs ₹14. How many rupees of pocket money did Anaya have?
  10. 10.Vihaan spends 2/3 of the pocket money on a book. The book costs ₹16. How many rupees of pocket money did Vihaan have?
  11. 11.At a picnic, 1/4 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  12. 12.If 1/5 of a number is 5, what is the number?
  13. 13.At a picnic, 5/9 of the children are from Class 5. There are 30 children from Class 5. How many children are at the picnic?
  14. 14.If 4/9 of a number is 20, what is the number?
  15. 15.At a picnic, 8/9 of the children are from Class 5. There are 64 children from Class 5. How many children are at the picnic?
  16. 16.At a picnic, 3/4 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  17. 17.If 1/5 of a number is 9, what is the number?
  18. 18.If 8/9 of a number is 80, what is the number?
  19. 19.Vihaan spends 5/9 of the pocket money on a book. The book costs ₹35. How many rupees of pocket money did Vihaan have?
  20. 20.Kabir spends 2/9 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Kabir have?
  21. 21.If 1/5 of a number is 7, what is the number?
  22. 22.Sara spends 4/9 of the pocket money on a book. The book costs ₹36. How many rupees of pocket money did Sara have?
  23. 23.Aarav spends 1/7 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Aarav have?
  24. 24.Meera spends 1/2 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Meera have?
  25. 25.Ishaan spends 1/10 of the pocket money on a book. The book costs ₹5. How many rupees of pocket money did Ishaan have?
  26. 26.At a picnic, 1/8 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  27. 27.If 1/4 of a number is 4, what is the number?
  28. 28.Aarav spends 1/10 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Aarav have?
  29. 29.Ishaan spends 1/9 of the pocket money on a book. The book costs ₹3. How many rupees of pocket money did Ishaan have?
  30. 30.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?
  31. 31.At a picnic, 7/10 of the children are from Class 5. There are 49 children from Class 5. How many children are at the picnic?
  32. 32.If 1/3 of a number is 9, what is the number?
  33. 33.If 1/9 of a number is 7, what is the number?
  34. 34.If 1/6 of a number is 8, what is the number?
  35. 35.If 4/7 of a number is 28, what is the number?
  36. 36.If 1/3 of a number is 5, what is the number?
  37. 37.At a picnic, 1/9 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  38. 38.Kabir spends 6/7 of the pocket money on a book. The book costs ₹42. How many rupees of pocket money did Kabir have?
  39. 39.If 2/3 of a number is 12, what is the number?
  40. 40.Vihaan spends 2/7 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Vihaan have?

Answer key

  1. 80
  2. 49
  3. 56
  4. 27
  5. 72
  6. 14
  7. 20
  8. 30
  9. 63
  10. 24
  11. 40
  12. 25
  13. 54
  14. 45
  15. 72
  16. 16
  17. 45
  18. 90
  19. 63
  20. 18
  21. 35
  22. 81
  23. 70
  24. 18
  25. 50
  26. 48
  27. 16
  28. 100
  29. 27
  30. 21
  31. 70
  32. 27
  33. 63
  34. 48
  35. 49
  36. 15
  37. 27
  38. 49
  39. 18
  40. 14

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