Pitsco Education Coordinate Geometry Board invites students to plot x, y coordinates; find the slope of a line between two points; graph a line; learn various quadrant characteristics; approximate areas of geometric figures; and much, much more. This attractive, sturdy, 11" x 11" board is designed with 121 peg holes that snugly hold grooved wooden pegs. Simply insert pegs in various holes (x, y coordinates) and use the colored rubber bands to show various line segments. Holes are also available on both the x- and y-axes.