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Erik Jacobson

Table representations of functions allow students to compare rows as well as values in the same row.

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Sonali Raje, Michael Krach and Gail Kaplan

Stereochemistry and three-dimensional analysis constitute significant parts of this student activity.

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Kasi C. Allen

A student question and the process it generates demonstrate the importance of student-initiated tasks in implementing the SMP in the Common Core Standards.

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Ron Lancaster

Students analyze items from the media to answer mathematical questions related to the article. This month features two news clips on a lottery winner; the mathematics involved includes probability and combinatorics and some locus problems.

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Jeremy S. Zelkowski

Do you always have to check your answers when solving a radical equation?

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Kerri Richardson, Anne Reynolds and Catherine S. Schwartz

Rich mathematical tasks—here, finding and categorizing the quadrilaterals that can be made with vertices on a 4 × 4 grid—can promote adaptability in any classroom.

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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.

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Linda L. Cooper and Martin C. Roberge

Let's go wading! Students connect fundamental mathematics concepts in this real-world, problem-solving field experience.

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Bethany A. Noblitt and Brooke E. Buckley

Participants race across a university campus, completing challenging mathematical tasks that correspond to NCTM's Standards.