This lesson introduces you, the student, to the Cartesian coordinate plane. The goal is that you understand Cartesian coordinates well, and that you are able to master using them to describe points in the Cartesian plane.
First, you will explore the idea of using pairs of numbers to describe intersections of roads that are arranged in a grid pattern. The insights you gain there will be used to learn how to describe points in the Cartesian plane using pairs of numbers called coordinates.
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