Sponsored by the National Museum of American History, Teaching Math in America examines the evolution of math technology from the beginning of the nineteenth century through the end of the twentieth century. Divided into four sections, the site begins with the Early Republic, which explores the years between 1800 to 1860 when American children were using slates to write down their work. The second section, The World Stage, explores the late nineteenth century with the invention of geometric planes and modes, while the third section, The Cold War, explores the 1950s and 1960s with the invention of the blackboard protractor. The final section, The Information Age, brings viewers to the end of the twentieth century with the use of graphing calculators that could plot functions and manipulate symbols. Also included on this site is a Web resource section for math teachers that provide links to other math sites dealing with polyhedra and manipulatives, teaching tools and resources, and math history and education. In all, an enriching site for mathematicians and those interested in the history of math technology.


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