The Geometry Center is a mathematics research and education
center at the University of Minnesota. The Center has a
unified mathematics computing environment supporting math
and computer science research, mathematical visualization,
software development, application development, video animation
production, and K-16 math education.
This site presents 12 lesson plans from the 1997 Chevron
Education Award for Best Classroom Practices program. These
twelve lesson plans were chosen from more than 250 entries
from across the United States for their creativity and effectiveness.
Funded by Chevron, the program makes available to all teachers
some of the most effective mathematics and science lessons
American education has to offer.
The ThinkQuest Library provides innovative learning resources
for students of all ages on a wide range of educational
topics. Please go to conic sections of the above link. It
provides good summaries of terminologies and equations used
in conics sections.