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A set of problems of many types.

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Readers comment on published articles or offer their own mathematical ideas.

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A set of problems of many types.

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William C. Zahner

Principles for using groups in linguistically diverse classrooms are illustrated with a task about measurement and proportionality.

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Christine D. Thomas and Isaac Gitonga

London is a city with striking Old World architectural beauty. In stark contrast to Westminster Abbey and the Westminster Bridge stands the London Eye (see photographs 1 and 2). This landmark was featured prominently in the television broadcasts of the Olympic Games in August 2012.

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A set of problems of many types.

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A set of problems of many types.

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Ann C. McCoy, Rita H. Barger, Joann Barnett, and Emily Combs

While filling vases with water and observing volume and height relationships, students learn the fundamentals of functions.

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David Rock and Mary K. Porter

A monthly set of problems is aimed at a variety of ability levels.

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A set of problems of many types.