This file has 36 main topics from Algebra I, walk through examples and tips, with additional examples for student practice. These were designed to be printed in poster size print for easy classroom presentation. Answer key for sample problems are at the end.Topics: Solving Systems of Equations, Solving Systems of Linear and Quadratic Equations, Key Features of Quadratic Function, Solving Systems: Word Problems, Transformations of Graphs, Equivalent Expressions, Evaluate for Certain Value, Points