This PowerPoint is designed to be used either in a physical classroom or in a Zoom (or other distance learning) classroom. This is the first lesson in the unit on parallel lines. It includes definitions of parallel, perpendicular and skew lines, parallel planes, and angle pair names when two lines are cut by a transversal. It contains guided notes, examples and practice problems. (You may purchase the next lesson in this unit by clicking here) This lesson is designed to increase student cla