Tasks and materials that allow for different approaches can help teachers incorporate student reasoning and can promote connections across different mathematical ideas.
Aaron Brakoniecki, Julie M. Amador, and David M. Glassmeyer
Karen S. Karp, Sarah B. Bush,, and Barbara J. Dougherty
Ear to the Ground features voices from various corners of the mathematics education world.
This article includes an original artwork using geometry. Art such as this can foster understanding and appreciation of fundamental concepts across fields.
Marlena Herman and Jay Schiffman
The process of prime factor splicing to generate home primes raises opportunity for conjecture and exploration.
Sonali Raje, Michael Krach, and Gail Kaplan
Stereochemistry and three-dimensional analysis constitute significant parts of this student activity.
Teo J. Paoletti
This historical—and classroom friendly—approach to the concept of infinity uses Cantor's proofs of cardinality.
Yong S. Colen, Channa Navaratna, Jung Colen, and Jinho Kim
The 2000 presidential election provides an ideal backdrop for introducing the electoral voting system, weighted voting, and the Banzhaf and Shapley-Shubik Power Indices.
Michael J. Bossé and Kwaku Adu-Gyamfi
A geometry course for teachers—easily adaptable to a high school geometry class—integrates technology, reasoning, communication, collaboration, reading, writing, and multiple representations.
Bethany A. Noblitt and Brooke E. Buckley
Participants race across a university campus, completing challenging mathematical tasks that correspond to NCTM's Standards.
Nancy K. Mack
Exploring number systems of other cultures helps students deepen mental computation fluency, knowledge of place value, and equivalent representations for numbers.