An origami activity can lead to rich tasks in several branches of mathematics.
Harold Reiter, Arthur Holshouser, and Patrick Vennebush
This method for counting lattice octagons strengthens students' counting skills and geometrical thinking.
Emiliano Gómez and Risa A. Wolfson
In this activity, students gradually fill bottles of different shapes and graph the water level (height) versus the volume of water inside the bottles. Then they explore the relationship between the shape of a bottle and the resulting graph.
Cindy M. Cherico
Simulating a real-world marketing situation, students examine the mathematical calculations that play an integral part in product design.