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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 686 · 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 3/10 of a number is 18, what is the number?
  2. 2.At a picnic, 9/10 of the children are from Class 5. There are 54 children from Class 5. How many children are at the picnic?
  3. 3.At a picnic, 4/9 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  4. 4.If 4/7 of a number is 28, what is the number?
  5. 5.At a picnic, 4/5 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  6. 6.Ishaan spends 4/7 of the pocket money on a book. The book costs ₹32. How many rupees of pocket money did Ishaan have?
  7. 7.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?
  8. 8.If 3/8 of a number is 30, what is the number?
  9. 9.At a picnic, 8/9 of the children are from Class 5. There are 40 children from Class 5. How many children are at the picnic?
  10. 10.Meera spends 5/7 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Meera have?
  11. 11.At a picnic, 2/5 of the children are from Class 5. There are 20 children from Class 5. How many children are at the picnic?
  12. 12.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?
  13. 13.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?
  14. 14.Diya spends 1/6 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Diya have?
  15. 15.At a picnic, 1/2 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  16. 16.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?
  17. 17.If 1/8 of a number is 3, what is the number?
  18. 18.If 2/5 of a number is 20, what is the number?
  19. 19.If 1/4 of a number is 5, what is the number?
  20. 20.At a picnic, 7/8 of the children are from Class 5. There are 14 children from Class 5. How many children are at the picnic?
  21. 21.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?
  22. 22.Meera spends 7/8 of the pocket money on a book. The book costs ₹14. How many rupees of pocket money did Meera have?
  23. 23.At a picnic, 9/10 of the children are from Class 5. There are 18 children from Class 5. How many children are at the picnic?
  24. 24.Rohan spends 5/8 of the pocket money on a book. The book costs ₹40. How many rupees of pocket money did Rohan have?
  25. 25.At a picnic, 2/3 of the children are from Class 5. There are 14 children from Class 5. How many children are at the picnic?
  26. 26.Anaya spends 9/10 of the pocket money on a book. The book costs ₹18. How many rupees of pocket money did Anaya have?
  27. 27.If 3/8 of a number is 9, what is the number?
  28. 28.At a picnic, 7/9 of the children are from Class 5. There are 49 children from Class 5. How many children are at the picnic?
  29. 29.At a picnic, 1/5 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  30. 30.Diya spends 6/7 of the pocket money on a book. The book costs ₹42. How many rupees of pocket money did Diya have?
  31. 31.Sara spends 5/7 of the pocket money on a book. The book costs ₹15. How many rupees of pocket money did Sara have?
  32. 32.At a picnic, 1/9 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  33. 33.At a picnic, 7/8 of the children are from Class 5. There are 28 children from Class 5. How many children are at the picnic?
  34. 34.If 3/5 of a number is 9, what is the number?
  35. 35.Tara spends 9/10 of the pocket money on a book. The book costs ₹63. How many rupees of pocket money did Tara have?
  36. 36.If 6/7 of a number is 60, what is the number?
  37. 37.If 1/2 of a number is 2, what is the number?
  38. 38.If 1/4 of a number is 8, what is the number?
  39. 39.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?
  40. 40.Sara spends 1/5 of the pocket money on a book. The book costs ₹5. How many rupees of pocket money did Sara have?

Answer key

  1. 60
  2. 60
  3. 27
  4. 49
  5. 10
  6. 56
  7. 18
  8. 80
  9. 45
  10. 42
  11. 50
  12. 30
  13. 25
  14. 54
  15. 12
  16. 63
  17. 24
  18. 50
  19. 20
  20. 16
  21. 12
  22. 16
  23. 20
  24. 64
  25. 21
  26. 20
  27. 24
  28. 63
  29. 20
  30. 49
  31. 21
  32. 36
  33. 32
  34. 15
  35. 70
  36. 70
  37. 4
  38. 32
  39. 28
  40. 25

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