"It's a drill-the-skills sort of site with a twist: students practice math and spelling skills by competing with other players that can be anywhere in the world. So, in essence, you also have the potential for some social studies." (Source: Laura Smith's Blog)
annotated links to over 1200 history web sites as well as links to hundreds of quality K-12 history lesson plans, history teacher guides, history activities, history games, history quizzes,