cartesiancartoons home page, cartesian cartoons free graphing on a Cartesian Coordinate system in Pre-Algebra and beginning Algebra classes. The puzzles include amusing cartoons, holiday themed puzzles, and first quadrant puzzles for grades 3 - 6. The puzzles are free for Teachers and Home school instuctors to download and use with their students.Point Plotting Puzzles · Students · High Flyer · About Us · Contact Us Graphing activities for beginning algebra students. Basic Click on any cartoon image below to view the list of coordinates, in PDF format, that when plotted correctly on graph paper will result in that image. Then simply print the page and copy it to hand to your students. Copies of the appropriate graph paper can be printed out on the left side of this page.