CL Smith

How a Teacher Can Use ItTeachers can leverage this handout as a dynamic utility rather than a static answers key: Symmetry and the Commutative Property: Teachers can use the gray diagonal axis to visually prove that changing the order of factors does not change the product (4 x 3=12). By having students locate a cell on one side of the diagonal line (like 4 x 3=12) and find its reflected counterpart on the opposite side (3 x 4=12), students physically perceive how the matrix mirrors itself.