Exercises about glue and trees and addresses can inoculate students against their notorious tendency to reduce incorrectly when simplifying expressions.
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Becky Hall and Rich Giacin
Tying your teaching approach to the Common Core Standard for Geometry and Congruence will help students understand why functions behave as they do.
Christopher E. Smith
Considering circles in taxicab geometry helps students with Euclidean concepts.
Jeffrey J. Wanko, Michael Todd Edwards, and Steve Phelps
The Measure-Trace-Algebratize (MTA) approach allows students to uncover algebraic relationships within familiar geometric objects.
Dustin L. Jones and Max Coleman
Many everyday objects–paper cups, muffins, and flowerpots–are examples of conical frustums. Shouldn't the volume of such figures have a central place in the geometry curriculum?
Beth Cory and Ken W. Smith
Through these calculus activities, students reach an understanding of the formal limit concept in a way that enables them to construct the formal symbolic definition on their own.
