Elaine M. Purvinis and Joshua B. Fagan

A historical view of the mathematical and
acoustical properties of parabolas offers a lesson and lab to examine
multirepresentational views of quadratics, requiring students to use their
knowledge of algebra, teamwork, logical reasoning, and technology to model and
verify their data.

Thérèse Cozzo and Joseph Cozzo

This lesson provides an opportunity for students to use mathematical modeling and explore right-triangle trigonometry in the context of protecting battleships.

Karine S. Ptak

To maximize classroom time spent on practice and concept attainment, a teaching team discarded traditional warm-up activities and homework assignments.

Rick Stuart and Matt Chedister

While filling three-dimensional letters, students analyzed the relationship between the height of water level and elapsed time.

Arnulfo Pérez, Bailey Braaten, and Robert MacConnell

A hands-on, project-based modeling unit illustrates how real-world inquiry deepens student engagement with function concepts.

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.