Resources and Tools for Elementary Math Specialists and Teachers
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    • 4.5
      In Praise of Parity
      By Uncle Bob on 04/19/2012 - 11:34
    • The odd/even property comes to the fore in this simple puzzle. It is an often ignored factor in solving math problems and puzzles. The nrich site always provides great support for using their tasks in classrooms. I quite often learn from solutions that students submit. The puzzle has extensions that can increase the range and difficulty.
    • 4.5
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    • Usps package Tracking Usps Tracking package