go to jove.com

MIDDLE SCHOOL

Mathematics (Grade 7)

Expressions and Equations

This is a free preview. For full access

Expressions and Equations: Simplifying Linear Expressions

Using the Commutative Property

Description

Using the Commutative Property

Introduction

The commutative property is a fundamental rule in mathematics stating that terms can be reordered in an addition expression without changing the result. In alge...

Transcript

Noah is shopping at a supermarket. He picks up 5 pasta boxes and 4 juice bottles. Later, he adds 2 more pasta boxes, 3 tomato cans, and 1 more juice bottle.

At the checkout counter, Noah wants to find the total cost of everything in his cart by writing an expression.

Let x represent the price of one pasta box, and y represent the pri...

Tags