Stage 5: Justify thinking. A vital habit that many students need to solidify is recontextualizing after they solve ...
Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.
More about the shapes that can be made with complex dominoes ...
TwistedSifter on MSN
Ancient Clay Tablet Reveals That The Babylonians Knew The Pythagorean Theorem Over 1,000 Years Before Pythagoras Lived
The earliest known evidence for the Pythagorean Theorem comes from an ancient clay tablet called, “IM 67118.” This tablet ...
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