Khan Academy
Coordinate Plane Examples, Linear Equations and Functions
Sal's goal in this video is to "familiarize ourselves with the x, y-coordinate plane." If your pupils have blank expressions when you present them with graphing problems, this video will be a great help to clear up the basics.
Curated OER
What are Quadrants in the Coordinate Plane?
The teacher diagrams a coordinate plane and identifies the four quadrants. He labels the quadrants with numbers. Then he illustrates a table to identify the positive or negative value of the x-coordinate and the y-coordinate and...