COUNTDOWN, Using the technology of QuickTime movies to develope math skills. Developed by Loyola University Chicago School of Education and Chicago GEAR UP Alliance.

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Geometry - Proofs

Creating Proofs
Mathematical Proofs: Intro
Theorem: Vertical Angles are Congruent

Theorem: The Sum of the Angles in a Triangle = 180°
Theorem: The Sum of 2 Interior Angles of a Triangle = the Opposite Exterior Angle