Number Sense (How many piano tuners in Chicago?)

nfeese	Posted 10/24/2008 9:44 AM (#2213) Subject: Number Sense (How many piano tuners in Chicago?)
Math Location: IAKSS	Thought you might want to try out this little dot test http://www.nytimes.com/interactive/2008/09/15/science/20080915_NUMBER_SENSE_GRAPHIC.html and the related article.... http://www.nytimes.com/2008/09/16/science/16angi.html?_r=1&oref=slogin