## Lesson: Multiplying and Dividing Fractions and Mixed Numbers

Introducing the Concept

Showing students a visual model for the multiplication of fractions before you teach the algorithm may help some students gain a better understanding of multiplying fractions and mixed numbers.

**Materials:** paper and pencil

**Preparation:** none

**Prerequisite Skills and Background:** Students should be able to multiply whole numbers and have an understanding of the model that uses the area of a rectangle for the multiplication of two whole numbers. They also should be able to find the prime factorization of a number.

Draw a picture of a rectangle on the board.