Have students create polygons in Scratch to help them practice debugging and reasoning about geometry.
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- Students should make regular, closed polygons (e.g. each side has the same length).
- Given a certain number of sides a polygon must have, students need to problem solve to figure out what angle the sprite needs to turn in order to create each corner of the shape appropriately.
- Check out Colleen’s YouTube video YouTube video Guess and Check with Triangles that shows how you can use guess-and-check to draw a triangle in Scratch.
- Check out our tip on the Total Turn Theorem for a strategy on how to determine the angle the sprite should turn!