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February 2011, Volume 16, Issue 6


The Leap from Patterns to Formulas
Darin Beigie
Geometric problems help students progress from predicting numerical patterns to expressing algebraic generalizations.

Bring the Pythagorean Theorem “Full Circle”
Christine C. Benson and Cheryl G. Malm
Different representations for relationships help students visualize mathematical concepts rather than just memorize formulas.

Tell a Piecewise Story
Nathalie Sinclair and Alayne Armstrong
By focusing on slope and using dynamic software, students develop the ability to describe functions in a geometry context.

Fold in Origami and Unfold Math
Joseph Georgeson
Students fold exciting shapes to explore how changes in one dimension affect measurements in another.

Virtual Data Collection for Real Understanding
S. Asli Özgün-Koca and Thomas G. Edwards
Extend a well-known circle-exploration activity using technology to connect geometry and algebra.

Seven pages of activity sheets

Dine on Rich Functional Examples
Rebecca R. Robichaux and Paulette R. Rodrigue
Starting with the Dinner Table problem, and extending to other geometric examples, students become familiar with patterns and functions as well as graphing concepts.