Finding the Intersection
(View Complete Item Description)In this Cyberchase video, Inez and Digit identify the location of the transformation using their knowledge of parallel and intersecting lines.
Material Type: Lecture
City Planning With Parallel Lines: Transversal
Identifying Similar Triangles
(View Complete Item Description)This lesson unit is intended to help you assess how students reason about geometry and, in particular, how well they are able to: use facts about the angle sum and exterior angles of triangles to calculate missing angles; apply angle theorems to parallel lines cut by a transversal; interpret geometrical diagrams using mathematical properties to identify similarity of triangles.
Material Type: Assessment, Lesson Plan