I wonder… _ 3?

Is it possible to divide a fraction by a whole number? Does fraction

division work like whole number division?

I wonder… _ 3?

In this lesson you will learn to divide a fraction by a whole number by thinking about

equal groups.

Let’s ReviewLet’s Review

8 _ 2 = ?

4 sets of two apples in eight…

Let’s ReviewLet’s Review

12

1

12

6

12

5

12

4

12

3

12

2

1 whole 1 whole 1 whole

6 sets of one-half in three…

3 _ = ?6

Let’s ReviewA Common Mistake

A common mistake is to reverse the order of the dividend and the divisor in order to try to make the problem easier

to understand.

2 _ 4 = 24 _ 2 =12

Let’s ReviewCore Lesson

8 _ 2 = ?

4 sets of two apples in eight…

Let’s ReviewCore Lesson

8 _ 2 = ?

4 apples in each of the two groups…

Let’s ReviewCore Lesson

1 whole15

15

15

15

15

25

? ? ? ? ?15

15

15

15

15

_ 2 = ?15

Does this answer

make sense?

Let’s ReviewCore Lesson

1 whole

25 This answer

makes sense!

x 2 = ?25

15

15

15

15

15

15

15

Let’s ReviewCore Lesson

1 whole

35

?

110

110

110110

110

110

110

110

110

110

_ 2 = ?310

Does this answer

make sense?

Let’s ReviewCore Lesson

1 whole

x 2 = ?35

15

15

15

15

15

110

110110

110

110110

35

15

15

15

This answer makes sense!

In this lesson you have learned how to divide a fraction by a whole number by thinking

about equal groups.