4.7 Real world problems with fractions
January 05, 2016
4.7 Lesson Objective: Solve real-world
problems involving multiplication and division of
fractions.
4.7 Real world problems with fractions
January 05, 2016
4.7 Real world problems with fractions
January 05, 2016
Find Parts of a Whole to Solve Real-World Problems
A vendor at the farmers' market has 240 pieces of fruit. She sells 1/2 of it
to one customer and 1/3 of it to another customer.
How many pieces of fruit does the vendor sell?
How many pieces of fruit does she have left?
The model shows that:
6 units =
1 unit =
5 units =
The vendor sells ____________ pieces of fruit.
The vendor has ___________ pieces of fruit left.
4.7 Real world problems with fractions
January 05, 2016
Guided practice
Solve.
Kim has 48 plants in her garden. Of the 48 plants, 2/3 are carrots and 1/4 are
tomatoes. the rest of the plants are pumpkins. How many pumpkin plants are
in the garden?
4.7 Real world problems with fractions
January 05, 2016
Find fractional parts of a whole and the remainder.
Sofia has $480. She uses 1/3 of the money to buy a winter coat. She then
spends 1/4 of the remainder on a pair of winter boots. How much money does
she have left?
4.7 Real world problems with fractions
January 05, 2016
Find fractional parts and wholes given one fractional part.
Ben took a test with three sections, A, B, and C. Ben spent 1/5 of his
time on Section A and 1/3 of the remaining time on Section B. He
spent 48 minutes on Section C. How much time did Ben take to
complete the whole test?
4.7 Real world problems with fractions
January 05, 2016
4.7 Real world problems with fractions
January 05, 2016
Jermaine prepares a mixture of apple, carrot, and strawberry juices. Of the total amount, 1/3 of the mixture is apple juice. 2/5 of the remainder is strawberry juice. Jermaine uses 315 milliliters of strawberry juice in the mixture. What amount of the mixture is carrot juice?
4 units = __________mL
1 unit = _____________mL
6 units = 6 x _________ = __________mL
_______________ milliliters of the mixture is carrot juice.
4.7 Real world problems with fractions
January 05, 2016
Gomez collects stamps as a hobby. He gives his cousin 1/3 of his stamp collection. He then gives his sister 5/6 of the remainder and has 80 stamps left. How many stamps had he at first?
1 unit = _____________stamps
________ units = 9 x _________ = ____________ stamps
Gomez had ____________ stamps at first.
4.7 Real world problems with fractions
January 05, 2016
Alana makes 4/5 gallon of lemonade. She pours ¼ of the lemonade into a pitcher and the remaining lemonade equally among 6 glasses. How much lemonade is in each glass?
___________ units = 1 gal.
1 units = __________ gal.
There is ____________ gallon of lemonade in each glass.