Although the Common Core and C3 Framework highlight literacy and inquiry as central goals for social studies, they do not offer guidelines, assessments, or curriculum resources. This practical guide presents six research-tested historical investigations along with all corresponding teaching materials and tools that have improved the historical thinking and argumentative writing of academically diverse students. Each investigation integrates reading, analysis, planning, composing, and reflection into a writing process that results in an argumentative history essay. Primary sources have been...