Divisibility rules

We had our first meeting of the 2014-2015 academic year in our new space. The Public Library for Union County has two meeting rooms in the front of the building. We will be meeting there for the foreseeable future.

Today we talked about modular arithmetic and used it to talk about and make sense of divisibility rules for 3, 11 and 7.

You can download what we did (PDF).

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