I created this flipchart to teach students about parallel and perpendicular lines, as well as review acute, obtuse, and right angles.
The first page shows a map of down town Chattanooga, Tennessee. There are written instructions giving examples of streets that are parallel, perpendicular, and intersecting. I called on volunteers to come up to the board and find/highlight the streets mentioned, using a different color for each example. When they finished, we looked at the streets and I asked th