Brian Lack
@drbrianlack
Math
ID: 2469643344
http://brianlack.wordpress.com 29-04-2014 17:28:21
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Middle school teachers exploring AoPS (Art of Problem Solving) e-books through randomized groups & vertical thinking spaces. They selected their favorite challenging math problems from pre-algebra, algebra, number theory, & counting/probability & are eager to begin using this for differentiation!🤘