Collaborize Classroom -- A free online collaborative platform designed to complement classroom instruction with additional activities, assignments and discussions that can be accessed online.

Cool Math -- A collection of games that are designed to be safe to use in the classroom, covering a variety of math subjects as well as reading, science and geography.

First In Math -- A schoolwide resource that teaches kids as young as kindergarten basic math skills via online games. Kids are encouraged to keep playing by earning stickers and other rewards from their teachers.