Games with mean, median and mode http://www.bbc.co.uk/schools/ks2bitesize/maths/activities/modemedianmean.shtml
Quia: Rags to Riches game Do you know your order of operations? http://www.quia.com/rr/116044.html
Adding and Subtracting Integers Practice http://www.quia.com/pop/131332.html
Prentice Hall http://www.phschool.com
Massachusetts DOE- Curriculum Frameworks http://www.doe.mass.edu/frameworks/
Massachusetts DOE- MCAS information http://www.doe.mass.edu/mcas/
This site is excellent. It provides information for students (terms and examples) and plenty of links for teachers, parents and students. Another good thing is that it is broken down into categories (addition, algebra, decimals, measurement, etc.). It also allows you to refine your search by grade level (K – 8). There are some lessons and practice activities suitable for grades 9-10. http://www.aaamath.com
A reference site dealing with all the current issues in middle school instruction. Lots of resources to articles, teacher stories, and middle school reform information. http://www.middleweb.com
Battleship - combining like terms http://www.quia.com/ba/55680.html
Many different favorite math websites http://leader.education.louisville.edu/edtl/thompson/edem629/sum01/weblinks.htm
National Geographic for kids http://www.nationalgeographic.com/kids/
Distributive Property matching game http://www.studystack.com/matching-1870
Equation Jeopardy- come play with a partner!! http://www.quia.com/cb/79586.html