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Maria L. Hernández, Rachel Levy, Mathew D. Felton-Koestler, and Rose Mary Zbiek

Ideas from the GAIMME report illustrate how teachers can engage students in the modeling process.

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Allyson Hallman-Thrasher, Erin T. Litchfield, and Kevin E. Dael

Frozen custard recipes are the starting point for students to derive and explain a method for multiplying matrices.

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Zach Hurdle, Max Warshauer, and Alex White

The union of curriculum goals intersects with math education standards.

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Alexis Stevens and John Stevens

The often misunderstood Electoral College is based on the simple, yet powerful, mathematical idea of proportional reasoning.

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Victoria Weber, Nicholas Fortune, Derek Williams, and Ashley Whitehead

Available apps are used to develop and investigate an optimization problem.

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Shelby Aaberg, Jason Vitosh, and Wendy Smith

Students construct confidence intervals, write hypothesis tests, and use sampling data to evaluate claims–all by using candy wrappers.

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Eric Weber, Amy Ellis, Torrey Kulow, and Zekiye Ozgur

Modeling the motion of a speeding car or the growth of a Jactus plant, teachers can use six practical tips to help students develop quantitative reasoning.

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Dung Tran and Barbara J. Dougherty

The choice and context of authentic problems—such as designing a staircase or a soda can—illustrate the modeling process in several stages.

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Students analyze a photograph to solve mathematical questions related to the images captured in the photograph. This month, photographs of the Salvador Dali Museum in St. Petersburg, Florida, serve a generous helping of pi from the editors.

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Erik Jacobson

Table representations of functions allow students to compare rows as well as values in the same row.