A PLUS MATH - Flash cards, worksheets, online games. If you don't have Java to support some of the items - scroll down the page http://www.aplusmath.com/
FUN BRAIN - Games for practicing specific math skills http://www.funbrain.com/
FIGURE THIS - Math challenges for kids and families http://www.figurethis.org/
MATH FACT CAFE - Personalize math fact work for your child http://www.mathfactcafe.com
Multipication practice http://www.multiplication.com/cmptrgames/quickpractice.htm
Multipication practice 2 http://www.mathcats.com/explore/multiplicationtable.html
Multipication practice 3 http://www.harcourtschool.com/activity/mult/mult.html
Interactive Math: Grade 3 Goals 1-4 http://cuacs8.mck.ncsu.edu/mathsampleitems/main.html
Pattern Game http://www.harcourtschool.com/activity/rubber_number_patterns_and_rules/
Kids Numbers http://www.kidsnumbers.com/
3 D Shapes Read through each section and try the test! http://www.learner.org/interactives/geometry/
3D Shape printables http://www.senteacher.org/wk/3dshape.php
2 to 3D shapes http://pbskids.org/cyberchase/games/23dgeometry/index.html