Triangle Inequality Theorem Video: http://www.youtube.com/watch?v=7PfLSEpPQns
Triangle Inequality Theorem Video (Khan): https://www.khanacademy.org/math/geometry/basic-geometry/triangle_inequality_theorem/v/triangle-inqequality-theorem
Video: Points, Lines, & Planes (Math Antics): https://www.youtube.com/watch?v=k5etrWdIY6o
Adjacent Angle video clip: https://www.youtube.com/watch?v=Htza-E2dQSY
Vertical Angles video clip: https://www.youtube.com/watch?v=0lvT7eF3Zks
Supplementary, complementary, & vertical angles: https://www.youtube.com/watch?v=QjwbvNdUSTk
Alternate Angles in Parallel Lines: https://www.youtube.com/watch?v=-BPdBfwFgUM
Angle Basics: https://www.youtube.com/watch?v=DGKwdHMiqCg
Similar and Congruent definition video: https://www.youtube.com/watch?v=mnhybq0wiV4
Area (square, rectangle, & triangle) Math Antics: https://www.youtube.com/watch?v=xCdxURXMdFY
Finding line segment midpoint on coordinate plane: https://www.youtube.com/watch?v=ZpniYdrvNSs&list=TLf1Omwy_MGhAxMTA0MjAxNg
Transformations: https://www.youtube.com/watch?v=VJTxv-tRKj0
Similar Figures Video: https://www.youtube.com/watch?v=1UuiF3mskQA
Pythagorean Theorem (simple explanation w/1 real world example): https://www.youtube.com/watch?v=elr2w5jrFbQ
Pythagorean Theorem (find hypotenuse example): https://www.youtube.com/watch?v=uthjpYKD7Ng
Pythagorean Theorem: https://www.youtube.com/watch?v=WqhlG3Vakw8
Volume video: https://www.youtube.com/watch?v=qJwecTgce6c
Solve Systems with Elimination Video: https://www.youtube.com/watch?v=Tkrqrfkznoo
Angle Relationships with Parallel Lines & a Transversal: https://www.youtube.com/watch?v=gwiXFTTZzRY
What's a cross-section? https://www.youtube.com/watch?v=hlD_j3AtxGs
Special Relationships of Angles: https://www.youtube.com/watch?v=-mLzHhhtoRM
Parts of a circle (includes chords & arcs): https://www.youtube.com/watch?v=BPnP_EEZvQc
Area Quizzes: http://www.mrmaisonet.com/index.php?/Area-Quizzes/
Angle Relationships Online Quiz: https://www.thatquiz.org/tq/previewtest?U/C/6/P/P39X1398340094