Students learn that when lines are translated they are either parallel to the given line, or the lines coincide.
Students learn that translations map parallel lines to parallel lines.
Prior Knowledge
LinesParallel
Geometry2-D Shapes
GeometryAngles
45 mins
Overhead projector transparencies (1 / student), Fine point dry - erase markers (1 / student), Felt cloth or other eraser (1 / or pair)
8.G.A.1