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

50010010010010025
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