This is a great website for CRCT practice!!! http://www.crctlessons.com/
Middle School Math tutorials - Holt Algebra 1 videos by subject http://go.hrw.com/gopages/ma/alg1_07.html
Interactive Holt Algebra 1 textbook http://my.hrw.com
Middle School Math help http://jc-schools.net/tutorials/tools/math-ms.html
Math help http://www.purplemath.com
National Geographic for Kids http://www.nationalgeographic.com/kids/