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Heather Lynn Johnson, Peter Hornbein and Sumbal Azeem

A computer activity helps students make sense of relationships between quantities.

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Michael A. Jones

Short items from the media focus mathematics appropriate for classroom study.

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Readers comment on published articles and share their mathematical interests.

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A set of problems of many types

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Arsalan Wares

A paper-folding problem is easy to understand and model, yet its solution involves rich mathematical thinking in the areas of geometry and algebra.

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A set of problems of many types

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Richard A. Edwards

A counting problem in the context of circular seating arrangements extends our understanding of permutations, combinations, and recursions with connections to Stirling numbers and factorial polynomials.

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James Metz

Photographs are a springboard for mathematical inquiry.