From Flight to Discovery with Alexander Graham Bell’s Papers
Posted by: Cheryl Lederle
It didn't occur to me until recently that my math lesson was missing a primary source. After a simple search for "tetrahedron" or "tetrahedral kites" on the Library of Congress Web site, I was fascinated to find primary sources that could have enriched my geometry and measurement lessons.
Posted in: Science Technology and Math, Teaching Strategies, Young Learners