Tuesday, January 24, 2017

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So why these numbers?  Why didn't Roman numerals live forever? Here’s a TED-Ed lesson on on the history of numerical systems.  This might be interesting in your math classroom.  It might answer the question “ Why do I need to know place value?”- after all, this is the basis for our number system.  See if they have a guess why is is base 10 (and not another base).

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