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Samuel Otten

Our answers to students' questions about the relevance of what we teach might paint mathematics into an undesirable corner.

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Samuel Otten and Andrew Otten

Students make strategic choices–and justify them–to solve a system of two linear equations.

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Jennifer J. Kaplan and Samuel Otten

An optimization problem from a calculus class can be made accessible to algebra and prealgebra students. Are you smarter than a Welsh corgi?

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Nicholas J. Gilbertson, Samuel Otten, Lorraine M. Males and D. Lee Clark

For many American students, high school geometry provides their only focused experience in writing proofs (Herbst 2002), and proof is often viewed as the application of recently learned theorems rather than a means of establishing and understanding the truth of general results (Soucy McCrone and Martin 2009).