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NCTM 2015 Annual Meeting & Exposition

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

23- Building the Base and Attaching the Altitude: Measuring Triangles

Thursday, April 16, 2015: 8:00 AM-9:00 AM
104 C (BCEC)


Lead Speaker:
Jeffrey E. Barrett
Craig J. Cullen and Pamela S. Beck


Come join us in a discussion of studentsí thinking about the base and height of triangles presented dynamically. We will share videos of students engaged in tasks that helped reveal misconceptions. Leave with research-based tasks designed to promote meaningful classroom discussion about studentsí definitions of the base and height of a triangle.


Presentation Format: Research Session


See more of: Research Session