Website: theproblemsite.com
This site began as a collection of math games to help K-12 students in the state of Maine to improve their math skills. It has evolved over the years to include educational games including math, puzzles, logic games, reference sources and much more. The site is free and can be acessed from any computer or network. It would be an ideal site for teachers to access from classroom computers, or for parents and students to enjoy together as an extension of or practice of educational skills.