http://www.aaamath.com/ Mrs.
Ferster's number one pick! This site is rich with math concepts for
fifth graders. Information and skills are presented in easy ways for
learning and reviewing. There are lots of fun ways to pactice and you
get immediate feedback as you go. A great place to improve speed and
accuracy with those basc facts! It even has a link for sudoku and
another to help you become a better speller.