Dividing Mixed Numbers by Fractions by Multiplying by the Reciprocal

The video tutorial explains how to divide mixed numbers by fractions using the concept of multiplying by the reciprocal. It provides examples, such as dividing wood and chocolate, to illustrate the process. The tutorial emphasizes using models and strategies like breaking apart numbers and converting mixed numbers to improper fractions to simplify calculations.

What is the reciprocal of 1/4?

• 4

• 1/2

• 1

• 1/4

How many groups of 1/4 are in 2 and 1/2?

• 12

• 10

• 8

• 5

If a carpenter has 1 and 3/4 yards of wood, how many 1/2 yard pieces can he cut?

• 2

• 3

• 4

• 3 and 1/2

What is the improper fraction form of 1 and 3/4?

• 5/4

• 6/4

• 7/4

• 8/4

What is the result of multiplying 1 and 3/4 by 2?

• 4 and 1/2

• 2 and 1/2

• 3 and 1/2

• 4

How many 1/4 pound packages can Rashae make from 1 and 1/8 pounds of chocolate?

• 3

• 4

• 4 and 1/2

• 5

What is the sum of 4 and 4/8 in simplest form?

• 4

• 4 and 1/4

• 4 and 1/2

• 5