ABCya!!! is a leader in free & exciting computer activities for elementary students to learn on the web. All educational computer games and activities were created or approved by certified teachers! Activities are modeled from primary grade lessons and enhanced to provide an interactive way to learn. 

Use the free math games and math activities to review, and keep your math wits sharp, or use one of our math foundations programs to develop the basic brain skills that are required to succeed with math. Absolutely free math resource designed by teachers, specifically for students and children of all ages.

Home Education Resources - lots of resources for teachers & parents. A lot of stuff are free.

They say Mike "the Walking Calculator" Byster can dazzle anybody with his amazing feats of math. But what is really amazing is his ability to ignite a passion for math in our children. When students learn Mike Byster’s Brainetics techniques, you can see their excitement not just for math, but for the possibilities.