Like and Unlike Terms

Subject: Math

Chapter: Algebraic Expressions and Their Structure

CCSS Alignment: 7.EE.A.1

Lesson Title: Like and Unlike Terms

Introduction

Algebraic expressions are made up of different t...

You are at a fruit stand. You buy 2 pounds of apples, where a is the price per pound. Your cost is 2a. Later, you buy 5 more pounds of the same apples.

That cost is 5a. Your total cost can be written as 2a + 5a. Because both terms have the same variable, a, they are called like terms.

You can combine them by adding their coefficient...