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Joel Amidon and Matt Roscoe

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

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Joel Amidon and Matt Roscoe

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

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Carole E. Greenes, Mary C. Cavanagh, Jenny K. Tsankova, and Florence A. Glanfield

Students stroll through distance, rate, and time experiments on the road to strengthening their understanding of proportionality.

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Leigh Haltiwanger and Amber M. Simpson

Allowing students to write in mathematics class can promote critical thinking, illustrate an awareness of mathematical connections, and result in clear communication as they share ideas comfortably with peers.

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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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David Rock and Mary K. Porter

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