Using Screen-Capture Movies to Assess Quadrilateral Constructions in Sketchpad Annie Fetter, The Math Forum @ Drexel Christina Foran, Tennessee School for the Deaf [contact info available in the handout] NCTM 2011 Annual Meeting, Session 173 http://mathforum.org/workshops/nctm2011/ - all of the Math Forum's presentations and more Download the augmented session handout Get the instructions for downloading, installing, and using Jing to make screen-capture videos View the movies shown during the talk, which will be available here as soon as we know which ones we have permission to share!