Date: Jan 21, 2013 3:36 PM
Author: GS Chandy
Subject: Re: To K-12 teachers here: Another enjoyable post from Dan Meyer

> I seriously doubt that. Besides, they had a tool with
> which to check their answers.
>
> Bob Hansen
>

See, for instance, Richard Strausz's response http://mathforum.org/kb/thread.jspa?threadID=2430332 /
>
> On Jan 21, 2013, at 11:57 AM, Joe Niederberger
> <niederberger@comcast.net> wrote:
>

> > My guess is that if only 18 out of 20 children
> failed to work this problem to a successful
> conclusion, it was not due to not "seeing the trick".
> My guess it it had to do with (lack of) tidy record
> keeping and double checking.