Stage 5: Justify thinking. A vital habit that many students need to solidify is recontextualizing after they solve ...

This is an updated version of a story first published on May 5, 2024. For many high school students returning to class, it may seem like geometry and trigonometry were created by the Greeks as a form ...

Two mathematicians have used a new geometric approach in order to address a very old problem in algebra. In school, we often learn how to multiply out and factor polynomial equations like (x² – 1) or ...

The infinite hotel paradox imagines a hotel with endless rooms that somehow runs out of space. Even when new guests arrive, ...