Number & Operations for Teachers 

    Copyright David & Cynthia Thomas, 2009

Chapter/Section

Chapter Five: Fractions: Multiplication & Division

5.5 Properties of Fraction Operations

Objective

Understand the inverse relationship between fraction multiplication and division.

Overview

When considering fact families for fraction operations, one must first recognize that, while multiplication of fractions is commutative, division is not. 

 

Fractions

Multiplication

closed

commutative

Division

closed

not commutative

Table 5.1: Properties of Fraction Operations – Multiplication & Division

Readings

Properties of Fraction Operations

Homework

Exercises

Links

 N/A