Great site for making preprinted math worksheets. This site covers many different areas-addition, subtraction, multiplication, and division. We use this site in school. http://www.mathfactcafe.com
Excellent web site for practicing all kinds of math concepts! We use this in school. http://www.woodlands-junior.kent.sch.uk/maths/
Ideas for science fair projects. Use this as a guide to help you come up with Science Fair project ideas. Be careful not to copy the experiments word for word. http://www.sciencemadesimple.com/
Multiplication work http://www.bigbrainz.com.
FunBrain-Math Baseball Also connects you to other educational games http://www.funbrain.com/math/index.html