Jennifer E. Circello and Scott R. Filkins
A geometric solids unit inspired by Plato’s Cave Allegory uses different forms of three-dimensional objects to give students a clearer understanding of the realities of these objects.
Carmel Schettino
One secondary school’s mathematics department decides to change its geometry curriculum.
Paul Laumakis
Students bring the real world into the classroom by studying speeding data collected on two Pennsylvania highways.
Gail Marie Anderson
This classic novel introduces students to core geometry concepts, engages them in spatial visualization, and provides rich, cross-curricular learning opportunities.
Nutjira Busadee, Parames Laosinchai, and Bhinyo Panijpan
Tackling probability problems before being introduced to the formulas—especially when the problems involve sports—enhances students’ understanding of permutation and combination.