The Zero the Math Hero - Geometry Tutor DVD Series teaches students through step-by-step example problems. This DVD teaches students four important theorems and describes the Pythagorean Theorem and its relevance in the real world. Problems using algebraic skills are linked with geometric concepts. Students will learn the Pythagorean Theorem, the converse of the Pythagorean Theorem, the Isosceles Triangle Theorem, and the converse of the Isosceles Theorem. Grades 8-12. 22 minutes on DVD.