Helpful Links
Introduction to 3D Figures CLICK HERE
Angles Basics (6+ ONLY) CLICK HERE
Complementary & Supplementary Angles https://www.youtube.com/watch?v=GO20ZgUzlc0
Types of Angles Video (6+ ONLY) http://study.com/academy/lesson/complementary-supplementary-vertical-adjacent-angles.html
Angles & Triangles Symbaloo (6+ ONLY) http://www.symbaloo.com/mix/6thgrademath-angles