Utilizing dynamic models to explain different aspects of geometry can be a powerful pedagogical tool. This is exactly what inspired Eduardo Veloso and Rita Bastos to write this classroom exercise for the Mathematical...

The development of geometry, from the very first experiences that man might have had with shape through a period in ancient Greek history. The life of one famous mathematician of this period, Pythagoras, is spotlighted...

From J. J. O'Connor and E. F. Robertson at the University of St. Andrews in Scotland, this page covers Euclid's Elements through the end of the 1800's, with 23 references (books/articles). Each important name is a link...

A unit that begins with a historical development of pi and proceeds with examples of activities to help students develop a deeper appreciation of the mathematical beauty and value of pi.

Linked essay sketching trigonometry from its beginnings out of the early correspondence between astronomy and mathematics through the 18th century, with 17 references (books/articles). Influential thinkers addressed...