Date: Jan 18, 2013 6:39 AM
Author: Richard Strausz
Subject: Re: To K-12 teachers here: Another enjoyable post from Dan Meyer

(this one is actually from the NCTM).

Many of our prealgebra and algebra 1 students enjoyed this thinking/algebra activity:

http://illuminations.nctm.org/ActivityDetail.aspx?ID=223

Richard