How can I use my knowledge of dividing fractions by whole

numbers to solve real life problems?

In this lesson you will learn to solve word problems involving division of fractions by whole

numbers by using picture models.

Let’s ReviewLet’s Review

8 _ 2 = ?

4 sets of two apples in eight…

4 apples in each of the two groups…

Let’s ReviewLet’s Review

2 _ = 4 12

1

12

4

12

3

12

2

1 whole 1 whole

_ 2 =

12

14

14

14

14

_ = 21 whole

1 whole14

14

14

14

12

1212

14

14

12

1 2

Let’s ReviewA Common Mistake

A common mistake when solving word problems of any kind is to be unclear

about what the problem is asking.

What is this problem asking?

Do I need to add, subtract,

multiply, or divide?

How should I approach the

problem?

Let’s ReviewA Common Mistake

They will each get of the

candy bar …

I think they will each get of , which is …

Who is correct?

Mom had of a candy bar in her purse. Her 3 children wanted to share it

equally. How much of a candy bar will each child get?

Let’s ReviewCore Lesson

Mom had of a candy bar in her purse. Her 3 children wanted to share it equally. How much of a candy bar will each child get?

_ 3 = ?

Let’s ReviewCore Lesson

Each child will get of a candy bar.

_ 3 = ?

1 2 3 4 5 6

Let’s ReviewCore Lesson

Aydon has of a bag of dog food in the shed. He needs to share it evenly

between his 2 dogs. How much dog food will each dog get?

_ 2 = ?

Let’s ReviewCore Lesson

_ 2 = ?

Dog Food

5

4

3

2

1

6

1110

9

8

7

12

1

2

3

4

5

512

Each dog will get of a bag of dog food.

In this lesson you have learned to solve word problems

involving division of fractions by whole numbers by using

picture models.

Let’s ReviewGuided Practice

Jillian practices her flute for of an hour. She wants to practice 6 songs for equal amounts of time. How much of an hour will she spend

practicing each song?

Let’s ReviewGuided Practice

_ 6 =

0 1hour

start finish

14

24

34

Let’s ReviewExtension Activities

Create your own story problem to go with this equation:

_ 6 = ?

Now solve the equation:

Let’s ReviewExtension Activities

Determine what the word problem below is asking. Solve the problem.

Does your answer make sense? Check your work using a different strategy. Did you get the same answer?

MacKenzie and her brother have of a pan of brownies to share. If they divide them equally between them, how much of the pan of brownies will they each get?

Let’s Review

Quick Quiz

1. Granny has of a pitcher of lemonade. She wants to divide the lemonade equally between her 2 grandkids. How much of the pitcher will each child get?

2. Gramps has of a jar gumballs. He wants to give each of his 2 grandkids the same amount of gumballs. How much of the jar will each child get?