Why we do the same thing to both sides of an equation

5 videos
1 skill
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 of 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.

How to represent 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.

Intuition for solving one-step equations

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

How to use the one-step equation intuition exercise

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.

How to divide 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.