In this lesson, students explore transformations of plane figures and describe these movements in everyday language using words like “slide,” “shift,” “turn,” “spin,” “flip,” and “mirror.” Students are not expected to use formal math vocabulary yet. This lesson provides both the intellectual need for agreeing upon common language and the chance for students to experiment with different ways of describing some transformations in the plane.

Marcellus the Giant
This activity will help your students understand the definition of a proportional relationship. They'll create a giant and then make sure all of his features are proportional. They'll see the…