Doug Orr's reference to the use of clocks to illustrate models of time
-- and modelling generally -- prompts me to share an exercise I
participated in a few weeks ago.
I attended a week-long workshop on collaborative learning, and one of
the activities had groups trying to estimate how many pi
On aug 30, Michael Perelman wrote:
>Now that the school year is beginning, maybe we can consider
>strategies to become more effective in the classroom, given the
>constraints of the existing texts, job insecurity, ...
I have been thinking about this idea for a while. The rightwing textbook
by
