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Whole from a Fraction Worksheet

Fractions lesson 22: Finding the whole from a part · Set 251 · 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 4/7 of a number is 40, what is the number?
  2. 2.At a picnic, 5/8 of the children are from Class 5. There are 30 children from Class 5. How many children are at the picnic?
  3. 3.At a picnic, 7/9 of the children are from Class 5. There are 21 children from Class 5. How many children are at the picnic?
  4. 4.If 4/7 of a number is 24, what is the number?
  5. 5.At a picnic, 5/8 of the children are from Class 5. There are 50 children from Class 5. How many children are at the picnic?
  6. 6.If 2/7 of a number is 10, what is the number?
  7. 7.Ishaan spends 1/7 of the pocket money on a book. The book costs ₹10. How many rupees of pocket money did Ishaan have?
  8. 8.If 5/8 of a number is 15, what is the number?
  9. 9.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?
  10. 10.If 8/9 of a number is 80, what is the number?
  11. 11.If 1/7 of a number is 4, what is the number?
  12. 12.If 3/7 of a number is 24, what is the number?
  13. 13.At a picnic, 1/8 of the children are from Class 5. There are 4 children from Class 5. How many children are at the picnic?
  14. 14.Diya spends 3/4 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Diya have?
  15. 15.At a picnic, 1/5 of the children are from Class 5. There are 6 children from Class 5. How many children are at the picnic?
  16. 16.Kabir spends 2/9 of the pocket money on a book. The book costs ₹16. How many rupees of pocket money did Kabir have?
  17. 17.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?
  18. 18.Diya spends 2/5 of the pocket money on a book. The book costs ₹6. How many rupees of pocket money did Diya have?
  19. 19.Meera spends 1/7 of the pocket money on a book. The book costs ₹2. How many rupees of pocket money did Meera have?
  20. 20.At a picnic, 2/7 of the children are from Class 5. There are 8 children from Class 5. How many children are at the picnic?
  21. 21.Meera spends 3/5 of the pocket money on a book. The book costs ₹30. How many rupees of pocket money did Meera have?
  22. 22.Sara spends 3/8 of the pocket money on a book. The book costs ₹12. How many rupees of pocket money did Sara have?
  23. 23.Tara spends 1/7 of the pocket money on a book. The book costs ₹4. How many rupees of pocket money did Tara have?
  24. 24.If 3/5 of a number is 27, what is the number?
  25. 25.At a picnic, 3/4 of the children are from Class 5. There are 24 children from Class 5. How many children are at the picnic?
  26. 26.If 1/9 of a number is 10, what is the number?
  27. 27.At a picnic, 3/4 of the children are from Class 5. There are 27 children from Class 5. How many children are at the picnic?
  28. 28.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?
  29. 29.If 1/2 of a number is 2, what is the number?
  30. 30.At a picnic, 3/10 of the children are from Class 5. There are 12 children from Class 5. How many children are at the picnic?
  31. 31.Arjun spends 1/5 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Arjun have?
  32. 32.At a picnic, 8/9 of the children are from Class 5. There are 80 children from Class 5. How many children are at the picnic?
  33. 33.Meera spends 7/9 of the pocket money on a book. The book costs ₹21. How many rupees of pocket money did Meera have?
  34. 34.At a picnic, 3/10 of the children are from Class 5. There are 18 children from Class 5. How many children are at the picnic?
  35. 35.If 2/3 of a number is 8, what is the number?
  36. 36.Tara spends 5/9 of the pocket money on a book. The book costs ₹50. How many rupees of pocket money did Tara have?
  37. 37.Anaya spends 3/8 of the pocket money on a book. The book costs ₹9. How many rupees of pocket money did Anaya have?
  38. 38.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?
  39. 39.If 3/10 of a number is 18, what is the number?
  40. 40.If 1/2 of a number is 8, what is the number?

Answer key

  1. 70
  2. 48
  3. 27
  4. 42
  5. 80
  6. 35
  7. 70
  8. 24
  9. 16
  10. 90
  11. 28
  12. 56
  13. 32
  14. 16
  15. 30
  16. 72
  17. 28
  18. 15
  19. 14
  20. 28
  21. 50
  22. 32
  23. 28
  24. 45
  25. 32
  26. 90
  27. 36
  28. 16
  29. 4
  30. 40
  31. 45
  32. 90
  33. 27
  34. 60
  35. 12
  36. 90
  37. 24
  38. 20
  39. 60
  40. 16

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