Graphing Lines: Intro to the Coordinate PlaneGrade Level: 7th – 9th Grade (Pre-Algebra / Algebra 1)Description: A foundational lesson on the Cartesian Coordinate System. It covers the 4 Quadrants, the Origin, how to plot points $(x,y)$, and the basics of what makes a line "linear."How to Use: Use as a Day 1 Lesson. The visual breakdown of the quadrants is perfect for students seeing the coordinate plane for the first time. Have students point to the correct quadrant on their own paper grids as y