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These 32 task cards assess your students' understanding of functions as a table, a mapping diagram, and as a graph. The first set has two different tables and students must determine if the data set is a function or not. The second set gives the students a data set and asks them to draw the mapping diagram and then determine if it represents a function or not. The third set asks students to draw two graphs, one that is a function and one that is not. As a bonus there is also a set of cards that ask students to show that they know the difference between