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Kelly Hagan and Cheng-Yao Lin

April 2020's GPS department provides tasks for each grade band that invite students to reason with age-appropriate number theoretic concepts.

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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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Joel Amidon and Matt Roscoe

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

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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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David Rock and Joel Amidon

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

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David Rock and Joel Amidon

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

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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.