National Council of Teachers of Mathematics 2013 Annual Meeting and Exposition

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

254- Defining Quadrilaterals: What Is a Trapezoid, Anyway?

Thursday, April 18, 2013: 2:45 PM-4:00 PM
Mile High 4 C/D (Convention Center)
Lead Speaker:
Nita Walker
Barbara Post

  • presentation #154, Walker, Defining Quadrilaterals.pdf (1.4 MB)

  • We will build common understandings of special quadrilaterals on the basis of their properties and formal definitions. We will develop a hierarchy connecting all quadrilaterals through our reasoning and proof and show how classroom discourse can help all students convince each other of their thinking.

    Presentation Format: 3-5 Gallery Workshop
    Grade Band Audience: 3 to 5

    See more of: 3-5 Gallery Workshop
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