In this 3-part activity, students use paper-folding and an interactive computer sketch to develop the equation of a parabola given the focus and directrix.
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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.
Diana Cheng and David Thompson
Labyrinths inspire questions about measuring path lengths and representing patterns.
Margaret Cibes and James Greenwood
Short items from the media focus mathematics appropriate for classroom study.
Christopher E. Smith and Jana N. Paré
Mathematics and art share perspective and prominence in this collaborative learning experience.
Devon Gunter
A hands-on approach to studying quadratic functions emphasizes the engineering design process.
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.
Zach Hurdle, Max Warshauer, and Alex White
The union of curriculum goals intersects with math education standards.
Larry Lesser
Short items from the media focus mathematics appropriate for classroom study.
Alexis Stevens and John Stevens
The often misunderstood Electoral College is based on the simple, yet powerful, mathematical idea of proportional reasoning.