Come to mathmovienetwork.com and check out dozens of brief clips that show students explaining topics from counting and cardinality, to operations and algebraic thinking, to statistics and probability -- all sortable by level, popularity, starring class, and more: <a href="http://www.mathmovienetwork.com/browse/">http://www.mathmovienetwork.com/browse/</a> Sign up for free registration to enjoy benefits such as the ability to save your fa