Mathematics
Links
These are the New York State standards for mathematics.
These are what the curriculum in the NYS school districts follow and are important to be familiar with.
National Counsil of Teachers of Mathematics
NCTM was founded in 1920. It is the world's largest mathematics education organization dedicated to improving math education (NCTM.org).
Interactive Mathematics
This site has various mathematics puzzles and games that kids and teachers can use. It covers almost every mathematic topic you can think of... a great resource!
American Mathematical Society
This is the link for the American Mathematical Society. It has many resources, such as journals, books, and other websites, for teachers to use, as well as membership information.