Friday, April 19, 2013: 1:00 PM-2:15 PM
Mineral Hall D/E (Hyatt Regency )
Lead Speaker:
Arthur T. Mabbott
Develop a deeper understanding of the definition of parabolas, ellipses, and hyperbolas by paper folding; discover that what looks like each conic section is really the "envelope" of tangent lines; find where the loci of points actually is; mimic the same actions by using the iPad; and compare the ellipse with the hyperbola.
Presentation Format: 9-12 Gallery Workshop
Grade Band Audience: 9 to 12