from here choose Impact Math and Course 2 2009 for 7th graders and Course 3 2009 for 8th graders.  site has lots of practice and review problems that will find there way onto tests.

It also has an online copy of your textbook (code is found on the Course Book pages of this website).

Play the y=mx+b Cockroach Game:

http://hotmath.com/hotmath_help/games/kp/kp_hotmath_sound.swf

http://gwydir.demon.co.uk/jo/tess/grids.htm

a great site for reminders on basic algebra items; quite helpful when you're stuck on homework

www.purplemath.com

this site has received great press for teaching kids and adults alike hundreds of topics on math and other subjects

http://www.khanacademy.org/

this site has tons of practice problems

www.tenmarks.com

if you are a PC user, you can download this useful graphing package for free and play with y=mx+b (and more complicated curves) to your heart's content

www.geogebra.org

Click on your grade level and it will take you to a list of many topics.

www.aaamath.com

On this site, there is a game room where the student can play games to practice any math skill.  There are interactive flashcards to practice math facts. Students can also create their own set of flashcards online. There is a section where you can print worksheets to practice offline. There are a number of other activities.

www.aplusmath.com

Students can type in a math questions and Dr. Math will hopefully have the answer for them on this site.  If they can’t get the answer, they can sign up for tutor.com.  It is free, they just need to register.

http://mathforum.org/dr.math

_{An amusement park of all sorts of math activities, practice lessons, math dictionary, etc.}

_{www.coolmath.com}