Interactive Education: Interactive 100s Chart
Jeopardy generator that can be used with SmartBoard or projected from a computer. I like how this one keeps the score on the side!
math websites broken down by skill - WOW!
Fantastic math games by grade level
Super Cool Spelling Tool! Highly engaging, fun, and interactive. Free!
Videos for Literature, Grammar, Shakespeare, Reading/Writing Strategies
K-6 Many Content Areas
Scholastic Whiteboard Activities