This lesson is made up of two activities that help students develop their algebraic thinking. Specifically, students work on matching different representations of linear functions (written descriptions, tables, graphs, and equations) and identifying features of graphs. They also use mathematics to support decisions in the context of choosing between several phone plans.

In addition to the two central activities, the lesson also includes 3 practice activities, an extension activity, and test practice questions at the end.

This sample lesson comes from Seeking Patterns, Building Rules, which is part of the EMPower Math Series, and includes the notes from the Teacher Book and all of the activity handouts from the Student Book.