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Nottingham, NH, United States
I'm a middle school teacher and science and books are two of my favorite things! (Chocolate and coffee are pretty high up on the list as well)

Friday, March 10, 2017

The amazing minds of D. H. J. Polymath | Big square, tiny envelope

The amazing minds of D. H. J. Polymath | Big square, tiny envelope  Can you solve the math challenge?

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