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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 560 · 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 1/8 of a number is 5, what is the number?
  2. 2.At a picnic, 1/2 of the children are from Class 5. There are 10 children from Class 5. How many children are at the picnic?
  3. 3.At a picnic, 3/5 of the children are from Class 5. There are 15 children from Class 5. How many children are at the picnic?
  4. 4.If 2/3 of a number is 4, what is the number?
  5. 5.Diya spends 3/7 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Diya have?
  6. 6.At a picnic, 3/5 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  7. 7.At a picnic, 4/5 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  8. 8.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?
  9. 9.At a picnic, 2/9 of the children are from Class 5. There are 14 children from Class 5. How many children are at the picnic?
  10. 10.If 1/5 of a number is 7, what is the number?
  11. 11.Riya spends 7/8 of the pocket money on a book. The book costs ₹21. How many rupees of pocket money did Riya have?
  12. 12.If 7/9 of a number is 70, what is the number?
  13. 13.Kabir spends 5/6 of the pocket money on a book. The book costs ₹50. How many rupees of pocket money did Kabir have?
  14. 14.If 6/7 of a number is 18, what is the number?
  15. 15.Ishaan spends 1/2 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Ishaan have?
  16. 16.Ishaan spends 5/9 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Ishaan have?
  17. 17.Meera spends 7/10 of the pocket money on a book. The book costs ₹28. How many rupees of pocket money did Meera have?
  18. 18.If 5/7 of a number is 10, what is the number?
  19. 19.At a picnic, 9/10 of the children are from Class 5. There are 36 children from Class 5. How many children are at the picnic?
  20. 20.If 2/3 of a number is 10, what is the number?
  21. 21.Sara spends 1/9 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Sara have?
  22. 22.If 1/10 of a number is 2, what is the number?
  23. 23.At a picnic, 6/7 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  24. 24.Arjun spends 1/10 of the pocket money on a book. The book costs ₹7. How many rupees of pocket money did Arjun have?
  25. 25.If 4/9 of a number is 28, what is the number?
  26. 26.If 5/9 of a number is 50, what is the number?
  27. 27.If 5/8 of a number is 10, what is the number?
  28. 28.At a picnic, 4/9 of the children are from Class 5. There are 16 children from Class 5. How many children are at the picnic?
  29. 29.If 2/7 of a number is 4, what is the number?
  30. 30.Vihaan spends 2/3 of the pocket money on a book. The book costs ₹14. How many rupees of pocket money did Vihaan have?
  31. 31.Aarav spends 2/3 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Aarav have?
  32. 32.If 3/5 of a number is 12, what is the number?
  33. 33.If 7/10 of a number is 28, what is the number?
  34. 34.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?
  35. 35.Vihaan spends 4/7 of the pocket money on a book. The book costs ₹8. How many rupees of pocket money did Vihaan have?
  36. 36.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?
  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, 7/8 of the children are from Class 5. There are 56 children from Class 5. How many children are at the picnic?
  39. 39.At a picnic, 8/9 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  40. 40.Vihaan spends 1/7 of the pocket money on a book. The book costs ₹7. How many rupees of pocket money did Vihaan have?

Answer key

  1. 40
  2. 20
  3. 25
  4. 6
  5. 21
  6. 20
  7. 25
  8. 36
  9. 63
  10. 35
  11. 24
  12. 90
  13. 60
  14. 21
  15. 18
  16. 27
  17. 40
  18. 14
  19. 40
  20. 15
  21. 18
  22. 20
  23. 28
  24. 70
  25. 63
  26. 90
  27. 16
  28. 36
  29. 14
  30. 21
  31. 18
  32. 20
  33. 40
  34. 36
  35. 14
  36. 16
  37. 35
  38. 64
  39. 27
  40. 49

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