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Leah Griffith

As classroom teachers, we try to provide opportunities for students to practice and use the algebra skills they are learning in ways that are nonroutine. We also want to help students connect the big ideas of math with the skills they are learning as part of the balance between understanding concepts and procedures. Math games can be used to accomplish these goals.

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Fred Dillon and Kevin Dykema

This problem ties into the real-life measurement found in the Richter scale.

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Christof Weber

Describe taking a logarithm as repeated division to allow students to build on what they know about division, instead of relying solely on the exponential definition.

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Redeem Reasoning

readers speak out

Kuo-Liang Chang

This opinion piece discusses how simplicity, ease, and efficiency—in the guise of shortcuts, tips, and packed procedures—kill mathematical reasoning.

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Laurie Speranzo and Erik Tillema

Specific teacher moves and lesson planning can facilitate student empowerment in the middle school classroom.

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Susan F. Zielinski and Michael Glazner

Help students stop making typical, persistent errors related to misconceptions about exponents, distribution, fraction simplification, and more.

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Stephan Pelikan, Anna F. DeJarnette, and Stephen Phelps

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

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A cartoon exploring a problem about order of operations is coupled with a full-page activity sheet.

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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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Edited by Anna F. DeJarnette and Stephen Phelps

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