Point of Origin Teacher Guide
A teacher guide for the 'Point of Origin' lesson, outlining the procedure for teaching geometric dilations using compass and straightedge construction, including discussion prompts and common student pitfalls.
Point of Origin Presentation Slides
A presentation slide deck for 'Point of Origin', guiding high school geometry students through the concept of geometric dilations using compass and straightedge construction, featuring a warm-up, video link, and lab instructions.
Ray Expansion Lab Worksheet
A student lab worksheet for performing geometric dilations using compass and straightedge. Includes specific tasks for scale factors of 2 and 3, plus an extension challenge for a scale factor of 0.5 using midpoint construction.
Construction Master Reference Sheet
A visual reference sheet for high school geometry students explaining the step-by-step construction of dilations using a compass and straightedge, including scale factor formulas and precision tips.
Ray Expansion Lab Answer Key
A teacher's answer key for the Ray Expansion Lab, showing the completed constructions for scale factors 2, 3, and 0.5. Includes visual guides for rays, parallel sides, and midpoint construction.