Dividing Unit Fractions by Whole Numbers Using the Multiplicative Inverse

This video tutorial teaches how to divide fractions by whole numbers using the multiplicative inverse. It begins with an introduction to the concept, followed by a visual explanation using apples to demonstrate division. The tutorial then uses models to solve problems like 1/3 divided by 4 and 1/8 divided by 2, emphasizing the importance of understanding the multiplicative inverse rather than just memorizing algorithms.

What is the multiplicative inverse of 2 when dividing 12 by 2?

• 1/2

• 2

• 12

• 1/12

When dividing 1/3 by 4, how many parts is each third divided into?

• 5 parts

• 4 parts

• 2 parts

• 3 parts

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

• 1/16

• 1/8

• 1/7

• 1/12

In the division of 1/8 by 2, what is the multiplicative inverse used?

• 1/8

• 1/2

• 2

• 1/4

What fraction represents the shaded part when 1/8 is divided by 2?

• 1/4

• 1/16

• 1/8

• 1/32