COOL MATH- filled with math games and activities as well as a little science. Includes scientific and graphing calculators. http://www.coolmath.com/home.htm
POWERS OF TEN- Click on the ruler and change the power of ten. View pictures from a quark to thousands of galaxies. http://microcosm.web.cern.ch/Microcosm/P10/english/P-14.html
Another POWERS OF TEN site http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/
ALL MATH- cool site with math flashcards, multiplication tables, biographies of mathematicians, and a glossary of math terms. http://www.allmath.com
A maths dictionary for kids More complete from A to Z--no, not a vitamin, but this site is almost as good for you as a tall glass of orange juice! Tons of terms are defined with animations and opportunities to explore various levels of math concepts, including working with different variables, making your own bar graph, and manipulating magic squares. http://www.amathsdictionaryforkids.com/
Free graph paper. http://mathbits.com/MathBits/StudentResources/GraphPaper/GraphPaper.htm
Explore Your Knowledge - Try your hand at 8th grade math and science questions taken from the Third International Mathematics & Science Study (TIMSS). http://nces.ed.gov/nceskids/eyk/index.asp?flash=true
AAA Math - Hundreds of pages of Basic Math Skills. Interactive Practice on every page. An Explanation of the math topic on each page. Several Challenge Games on every page. Math Problems are randomly created. http://www.aaamath.com/
Solving equations http://www.purplemath.com/modules/solvelin.htm
A+ Math Pracice with negative numbers http://www.aplusmath.com/flashcards/
Integrated Math Textbook for Topics http://www.classzone.com/intmath/intmath1/common/unit5/index.htm
Connected Math information for parents http://connectedmath.msu.edu/parents/overview.shtml