University of St. Andrews (UK)
University of St. Andrews: Mac Tutor History of Mathematics Archive
The University of St. Andrews, Scotland, presents hundreds of biographies of famous mathematicians, histories of math in various cultures, and interesting facts on the development of important math concepts. This is a huge reference....
Other
Spotsylvania County Schools: Curriculum Maps
This site features an outline of how to implement the use of curriculum maps into a school district curriculum program.
Wolfram Research
Wolfram Math World: Four Color Theorem
A great discussion of the Four Color Theorem and its history.
TeachEngineering
Teach Engineering: Plot Your Course Navigation
In this unit, students learn the very basics of navigation, including the different kinds of navigation and their purpose. The concepts of relative and absolute location, latitude, longitude and cardinal directions are discussed, as well...
University of St. Andrews (UK)
University of St. Andrews: Nina Karlovna Bari
A short history of Nina Karlovna Bari (1901-1961 CE), a female Russian mathematician, including a short history of her intorduction to math and her contributing books to Algebra. Be sure to follow the link to a map of where she was born.
New York Times
New York Times: Crossword Puzzle: Weather
The New York Times Learning Network has developed interactive and printable crossword puzzles. The theme of this one is weather.