We modify a traditional bouncing ball activity for introducing exponential functions by modeling the time between bounces instead of the bounce heights. As a consequence, we can also model the total time of bouncing using an infinite geometric series.
Lee Melvin M. Peralta
One of the many benefits of teaching mathematics is having the opportunity to encounter unexpected mathematical connections while planning lessons or exploring ideas with students and colleagues. Consider the two problems in figure 1.
Peter Wiles, Travis Lemon, and Alessandra King
Students move from slides, flips, and turns into reasoning about the characteristics of rigid transformations.
Explore the creation of a unique problem-based learning (PBL) experience.
Erin E. Krupa, Mika Munakata, and Karmen Yu
Can you remember your typical elementary school field day? In this article, we provide details on hosting a mathematics field day, focused on embedding rich mathematics into authentic fun-filled field day experiences.
Cassandra R. Seiboldt, Lorraine M. Males, and Joshua R. Males
A university mathematics teacher educator and a math department chair reflect on how various assignments and structures can support early-career teachers in anticipating student thinking and solutions to purposefully plan lessons.