Introduction to Lesson 1

Real numbers & algebraic expressions

Introduction to Lesson 2

Simplifying expressions

Introduction to Lesson 3

Solving equations

Introduction to Lesson 4

More on solving equations

More Solving equations involving absolute values

Graphing linear equations

Slopes in graphs and equations

Linear and nonlinear equations

Parallel and perpendicular lines; inequalities

Systems of linear equations & their graphs

Solving systems of linear equations by substitution

Solving systems of linear equations by elimination

Rate, work, digit, and coin problems

Systems of linear inequalities cell