Is it Linear?
Is it a Direct Variation?
Is It Parallel?
Is It Perpendicular?
These four "What Is It?" assessments can be integrated seamlessly during your linear functions unit. Each task begins with one of the above questions and includes 9 squares. Students must carefully examine the contents of each of the 9 squares and take a stance.
For example, on "Is It Linear?" Students examine each table, set of ordered pairs, or function represented in the 9 squares, and must decide whether or no