Order of Operations
Khan Academy: Order of Operations
Substitution and Evaluation of Expressions
Khan Academy: Evaluating Expressions with Multiple Variables
Proportional Relationships
Khan Academy: Rates and Proportional Relationships
Writing Equations for Word Problems
Khan Academy: Writing Expressions with Variables
Tables, Graphs, and Rules
Multiple Representations
Linear Graphs using y= mx + b
Khan Academy: Graph from Slope-intercept form
Khan Academy: Compare Linear Functions
Solving Equations
Khan Academy: Equations with Variables on Both Sides
Khan Academy: Equations with parentheses
Khan Academy: Number of Solutions to equations