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Patrick Harless

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Patricia Wallace-Gomez

When teaching slopes of parallel and perpendicular lines, I want students to have a visual image of the lines, not just memorize a formula. A simple exercise with parallel lines can get the message across.

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Readers comment on published articles and share their mathematical interests.

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Wendy B. Sanchez

Educating students—for life, not for tests—implies incorporating open-ended questions in your teaching to develop higher-order thinking.

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Colleen M. Eddy, Sarah S. Pratt, and Cheyenne N. Green

Two inquiry-based tasks modeled with technology during instruction lead to students' increased reasoning, communicating, and sense making about a real-world situation.

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A set of problems of many types.

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A set of problems of many types.

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A set of problems of many types.