Base 10
Great Websites for Preschool Kids/Arithmetic and Math
Against the beat of the bongos, your challenge is to drag the correct number of blocks into the counting square. You can choose to count in ones, tens, or hundreds. If you get it right you'll see a high five (in this case, ten).
http://www.learningbox.com/Base10/BaseTen.html
http://www.learningbox.com/Base10/BaseTen.html
Net-mom Approved Web Links for Kids