"Technically speaking..." is a freely available web resource containing a series of instructional video vignettes developed under a National Science Foundation CCLI Grant (0632804) from the Division of Undergraduate Education DUE. The videos portray student-actors presenting a small portion of a mathematical talk, roughly 30-90 seconds in length. In each set of vignettes, the student would give two ways to present an idea: one with shortcomings, the second correcting these shortcomings. Each set of video vignettes is based on topics emphasized in Joseph Gallian's article Advice on Giving a Good PowerPoint Presentation (Math Horizons 13, April 2006).
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