Another couple of online games.....

This first one is really meant for the grade ones to practice their basic adding facts to 20.  However, I have to say, my kindergarten students are doing very well with it!

http://funschool.kaboose.com/gamesFiles/flash/kaboose/mathPopper/popper.swf

Here is another opportunity to practice with the hundred chart.

http://www.abcya.com/100_number_grid.htm