Do you need an interactive, NO PREP activity for students to practice classifying determining relations as functions? Students classify relations in the form of mapping diagrams, plotted points, graphs, and sets of coordinate points as being a function or not a function. Once they determine whether each relation is a function, they drag and drop the relations into the appropriate column. I use this for both my Algebra 1 and Algebra 2 students. All you need is a device, a free Google account and