21st Century Problem Solving offers problem solving approaches for students, teachers, administrators, parents, and others that work across the curriculum and at every grade level.
Sites is a collection of links, indexed by subject, intended for high school educators.
From MCI WorldCom. Paul Sloane's List of Lateral Thinking Puzzles teaches you to check your assumptions about any situation. Ponyshow's Kids offers resources for kids, stories, art, games, and more. Educational Web Sites offers valuable educational resources on a variety of subjects.