Why we do the same thing to both sides

5 videos
1 skill
Takes a high-level, conceptual walk-through of what an equation represents and why we do the same thing to both sides of it.

Why we do the same thing to both sides: Simple equations

VIDEO 2:32 minutes
The example of a scale where we try to achieve balance helps to explain why we do the same thing to both sides of an equation.

Representing a relationship with a simple equation

VIDEO 3:24 minutes
Equations are about relationships (no, not girlfriends and boyfriends!) between the two sides of the equation. Let's again use a scale example to help us understand.

One-step equation intuition

VIDEO 4:39 minutes
This equation can be simplified through a single step to solve for the variable. Can you help?

One step equation intuition introduction

VIDEO 1:51 minutes
To find the value of a variable, you sometimes have to get it on one side of the equation alone. To do that, you'll need to do something to BOTH sides of the equation. Watch. We'll explain why we do this.

One step equation intuition

PRACTICE PROBLEMS
Explore why we do the same things to both sides of an equation.

Dividing from both sides of an equation

VIDEO 3:14 minutes
Let's get a conceptual understanding of why one needs to divide both sides of an equation to solve for a variable.