Then they switch roles. I have students use different colors and shapes to denote divisibility patterns. If they can be arranged in more than one way to form a rectangle, then they are composite. Remind students that squares are also rectangles. You can also use grid paper to do this activity if color tiles are not available.
Students exchange cards and try to build the figure from the instructions.
Have others measure the distances from the mirror to the school and to the student, and from the student's eyes to his or her feet. Have them set up a proportion to find the school's height. They also use magazine pictures to create a pictorial geometry handbook that gives real-world examples of the geometry terms.