Does the above look familiar? You give your students an equation, ask them to pick arbitrary points for x in order to solve for y. Then take those points, plot them, and graph the line. Here's a variation from paper and pencil.
Instead of plotting point, try matching lines with equations
Bolting two pieces of wood together we create an X, Y coordinate.
Using a straight stick, the students goal is to hold the stick in a way that represents the line drawn when the points were plotted.
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