Equations, expressions, and inequalities :

Intro to variables
Substitution & evaluating expressions
Algebraic equations basics

One-step addition & subtraction equations
One-step multiplication and division equations
Inequalities: Greater than and less than basics
Two-step equations intro

Exponents and radicals :

Exponents
Square roots

Cube roots
Exponent properties
Negative exponents

Scientific notation :

Scientific notation
Orders of magnitude
Computing with scientific notation