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Cornell Theory Center Math and Science Gateway
This site provides links to resources in mathematics and science for educators and students in grades 9-12. It covers subject areas like astronomy, biology, chemistry, computing, the environment, health, mathematics, and physics.
Eisenhower National Clearinghouse(ENC)
ENC provides information for grades K-12 mathematics and science teachers including a catalog of curriculum resources, ready-made lessons and activites, online documents, publications, and services.
Math Forum
This site offers challenging, creative, graphically attractive projects, puzzles, games, and calculation tips. It is the home of the popular "Ask Dr.Math." It also is home for "Teachers' Place," a resource for K-12 teachers.
Math Magic
K-12 telecommunications project which motivates students to form teams and engage in problem-solving dialog.
A Math Website! for Middle School Students - Grades 5-8
This is a resource for teachers that describes math sites for kids and offers suggestions for using these sites in teaching.
MegaMath
This site gives teachers stories and ideas to help children experience math.
National Council of Teachers of Mathematics
This site provides curriculum and evaluation standards, catalog of NCTM publications, and contents of its journals.