Primary Grades - cool game sites

I often get requests for more online games for primary grades, especially in Science, Math and Reading. Here are some of my favorite links:

Math:
http://www.ixl.com/math/grade/pre-k/
http://www.coolmath4kids.com/
http://www.teachrkids.com/
http://www.coolmath.com/

Reading:
http://pbskids.org/superwhy/
http://www.starfall.com/
http://pbskids.org/games/reading.html
http://www.earobics.com/gamegoo/gooey.html

Science:
http://www.sciencekids.co.nz/gamesactivities.html
http://funschool.kaboose.com/arcade/science/target=blank"
http://pbskids.org/games/science.html

General:
http://www.funbrain.com/