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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 786 · 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 2/5 of a number is 10, what is the number?
  2. 2.If 3/10 of a number is 9, what is the number?
  3. 3.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?
  4. 4.If 7/9 of a number is 21, what is the number?
  5. 5.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?
  6. 6.If 5/9 of a number is 45, what is the number?
  7. 7.If 3/5 of a number is 21, what is the number?
  8. 8.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?
  9. 9.At a picnic, 1/6 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  10. 10.Sara spends 4/9 of the pocket money on a book. The book costs ₹36. How many rupees of pocket money did Sara have?
  11. 11.Vihaan spends 2/5 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Vihaan have?
  12. 12.Riya spends 2/3 of the pocket money on a book. The book costs ₹16. How many rupees of pocket money did Riya have?
  13. 13.At a picnic, 3/10 of the children are from Class 5. There are 27 children from Class 5. How many children are at the picnic?
  14. 14.At a picnic, 5/6 of the children are from Class 5. There are 30 children from Class 5. How many children are at the picnic?
  15. 15.If 1/5 of a number is 2, what is the number?
  16. 16.At a picnic, 3/8 of the children are from Class 5. There are 21 children from Class 5. How many children are at the picnic?
  17. 17.If 9/10 of a number is 27, what is the number?
  18. 18.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?
  19. 19.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?
  20. 20.At a picnic, 1/10 of the children are from Class 5. There are 3 children from Class 5. How many children are at the picnic?
  21. 21.Sara spends 4/5 of the pocket money on a book. The book costs ₹36. How many rupees of pocket money did Sara have?
  22. 22.If 3/10 of a number is 24, what is the number?
  23. 23.If 5/9 of a number is 40, what is the number?
  24. 24.Meera spends 2/3 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Meera have?
  25. 25.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?
  26. 26.Vihaan spends 4/5 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Vihaan have?
  27. 27.If 3/8 of a number is 9, what is the number?
  28. 28.At a picnic, 2/5 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  29. 29.Meera spends 4/7 of the pocket money on a book. The book costs ₹24. How many rupees of pocket money did Meera have?
  30. 30.At a picnic, 3/10 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  31. 31.If 8/9 of a number is 56, what is the number?
  32. 32.Diya spends 1/4 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Diya have?
  33. 33.If 3/4 of a number is 9, what is the number?
  34. 34.Aarav spends 6/7 of the pocket money on a book. The book costs ₹60. How many rupees of pocket money did Aarav have?
  35. 35.Sara spends 1/3 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Sara have?
  36. 36.If 8/9 of a number is 72, what is the number?
  37. 37.At a picnic, 1/7 of the children are from Class 5. There are 5 children from Class 5. How many children are at the picnic?
  38. 38.At a picnic, 1/3 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  39. 39.If 7/9 of a number is 56, what is the number?
  40. 40.Meera spends 1/2 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Meera have?

Answer key

  1. 25
  2. 30
  3. 21
  4. 27
  5. 30
  6. 81
  7. 35
  8. 40
  9. 36
  10. 81
  11. 30
  12. 24
  13. 90
  14. 36
  15. 10
  16. 56
  17. 30
  18. 32
  19. 15
  20. 30
  21. 45
  22. 80
  23. 72
  24. 18
  25. 72
  26. 50
  27. 24
  28. 15
  29. 42
  30. 80
  31. 63
  32. 36
  33. 12
  34. 70
  35. 18
  36. 81
  37. 35
  38. 12
  39. 72
  40. 8

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