topology

An introduction to position, and how to describe objects in relation to one another.

Through a combination of math games, logic puzzles, activities, and hands-on demonstrations with things like prisms, kids will explore math concepts with renewed excitement.

Relates the story of Leonhard Euler's discovery of the polyhedron formula and its impact on topology, covering how the Greeks and Descartes almost grasped the formula and how mathematicians since the nineteenth century have adapted the formula's scope for various uses.

Provides a simple introduction to position and direction through a story in which a boy moves to a new house, unpacks his things, and meets new friends. Includes related activities.

Presents experiments demonstrating properties of circles and loops made of cloth, paper, and string.

Traces the history of the one-hundred-year quest to solve a mathematical mystery first posed by Jules Henri Poincar? and eventually solved in 2003 by Grigori Perelman, a reclusive young Russian.

Traces the history of the one-hundred-year quest to solve a mathematical mystery first posed by Jules Henri Poincar? and eventually solved in 2003 by Grigori Perelman, a reclusive young Russian.