Interactive math sites for numbers and operations. http://matti.usu.edu/nlvm/nav/category_g_3_t_1.html
Aplusmath.com creates worksheets for drill practice and work can be checked from the internet. http://www.aplusmath.com
This is shooting ducks with prime numbers. My final score was 1465. See if you can beat me! Open the site, click on games in the upper left corner, and then scroll to mallard maths. Once there, change it to prime numbers and shoot away! http://www.counton.org/explorer/primes/primes2.shtml
AAA Math: This website is for math students of all ages. It provides an introduction and fun games to practice a wide variety of eighth grade math skills. http://www.aaamath.com/B/grade8.htm
See if you can figure out how this works! Submit your thoughts in a paragraph to receive extra credit! http://louhi.kempele.fi/~skyostil/archive/dump/flash/psychic.swf
Click on Online Assessment, then the state of Tennessee. Have your child take the seventh grade math test. There will be 24 questions. After your child has finished, please print the first page only. Students can re-take the test as many times as they like. http://www.brainchild.com
MATH Puzzles and games. http://www.mathispower.org/mathnav6.html
Problems, Puzzlers, and Games Sometimes traditional, sometimes interactive, sometimes fun sites for practicing problem solving and computation or emphasizing logic and skill drilling. http://www.enc.org/weblinks/classroom/problems/