PRE-ALGEBRA
Course Directory
Integers & Negatives
The number line extends both ways. Adding, subtracting, and multiplying negative numbers.
Order of Operations
PEMDAS. Why we multiply before we add, and how to unravel complex equations.
Number Properties
Commutative, Associative, and the incredibly important Distributive Property.
Ratios & Proportions
Scaling up and down. Understanding relationships like speed, percentages, and unit price.
Advanced Fractions
Multiplying, dividing, and finding common denominators across complex mixed numbers.
Exponents
Powers, square roots, and using Scientific Notation to write massive numbers.
Expressions
Meeting the variable. Translating English sentences into mathematical letters.
Solving for X
Isolating the variable. Using inverse operations to solve one and two-step equations.
Simulation Deck
Balancing Act
An equation is just a scale. To solve for the mystery variable, you have to keep both sides perfectly balanced using Inverse Operations!
Equation Balancer
Use the Inverse Operations below to isolate the blue 'x' blocks. Remember, whatever you do to one side, you must do to the other!