Please note: The NCTM conference program is subject to change.

533- Geometric Constructions: Centered on the Eüler Line

Friday, April 15, 2011: 2:00 PM-3:00 PM
Grand Ballroom X (JW Marriott)
Lead Speaker:
Astrida Cirulis

The Eüler line connects altitude, median, and perpendicular bisector constructions in triangles and incorporates algebraic and geometric proofs. This presentation will discuss a unit for discovering the centers of triangles using compass, Mira, and Sketchpad, as well as misconceptions, extensions, and the unit's use in preservice teaching courses.

Presentation Format: Preservice and In-Service Session
Grade Band Audience: Preservice and Inservice, 9 to 12

See more of: Preservice and In-Service Session
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