Curated OER
Country: Ghana
Students investigate the culture, history, and government of Ghana. They take a virtual journey and discover the sports, arts, crafts, and food of Ghana. They observe how Kente cloth is made.
Curated OER
Math: Seifert Surface
Students use wire to make knots and submerse them in pans of detergent to observe how the soap film clings to the wire. They discover this film is called the Seifert Surface. After drawing pictures of the surface, they discuss what...
Annenberg Foundation
Annenberg Learner: Mathematics Illuminated: Topology's Twists and Turns
What is topology? And how does this area of mathematics allow us to study the shape and interconnectedness of the universe we live in? Video presentation answers these questions via a lively presentation of discussion, examples, and...
National Council of Teachers of Mathematics
The Math Forum: The Beginnings of Topology Leonard Euler
This site gives a general description of one of Euler's contributions, topology. It also presents one of the more famous problems of mathematics, The Bridges of Konigsberg.