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Andy When I try to teach my boy of 11 years, I explained it by virtue of something in the garden for the moon, and something at the pharmacy -- about 2km away, for the Sun.He raised his eyebrows with astonishment. OK well, that was an approximation. Carol On 20 June 2013 12:42, Andy Blunden <ablunden@mira.net> wrote: > OK, I had a read of this paper on teaching the phases of the Moon. > > I admit I found the challenge fascinating. The results of surveying the > beliefs of 14 to 17 year-olds astounded me, but I learnt about the > "encapsulated" nature of school learning during my brief life as a maths > teacher in London in the early '70s, teaching maths in the metric system to > kids who, like their parents, used only the old Imperial system of measures > outside school. I will never forget the complaint from a student that how > could they do their work when their lousy school didn't provide rulers with > kilometers marked on them. > > While I looked forward to hearing how the problem was solved in the three > different famous methodologies of learning, but unless I am even dumber > than I already know I am, all we got were hypothetical reconstructions > based on variations of the famous triangle. It may be just me, but graphic > diagrams like this just do nothing but confuse me. Anyway, no solutions to > the task were offered, so far as I could see. > > I have never had the joy of trying to teach the phases of the Moon to a > school class, but I know how I would do it, and it wouldn't involve using > those little diagrams in the text books (I liked Yrjo's critique of those > diagrams though. That was the best part). Surely there must be some > teachers on this list who have taught the phases of the Moon. How did you > do it? > > Andy > > > mike cole wrote: > >> I am looking for an article by Jean Schmittau that gives a clear >> explanation of Davydov's approach to math >> education that has excessible examples for the use of the "germ cell" idea >> in practical (effective!) early >> math instruction. Meantime, this paper by Yrjo also contains a good >> summary >> of Davydov's ideas applied to the >> problem of phases of the moon, a problem some of us just might have some >> trouble explaining to a kid (!) >> >> mike >> >> http://people.ucsc.edu/~**gwells/Files/Courses_Folder/** >> documents/EngestromPhases-**Moon.pdf<http://people.ucsc.edu/~gwells/Files/Courses_Folder/documents/EngestromPhases-Moon.pdf> >> ______________________________**____________ >> _____ >> xmca mailing list >> xmca@weber.ucsd.edu >> http://dss.ucsd.edu/mailman/**listinfo/xmca<http://dss.ucsd.edu/mailman/listinfo/xmca> >> >> >> > > -- > ------------------------------**------------------------------** > ------------ > *Andy Blunden* > Home Page: http://home.mira.net/~andy/ > Book: http://www.brill.nl/concepts > http://marxists.academia.edu/**AndyBlunden<http://marxists.academia.edu/AndyBlunden> > > > ______________________________**____________ > _____ > xmca mailing list > xmca@weber.ucsd.edu > http://dss.ucsd.edu/mailman/**listinfo/xmca<http://dss.ucsd.edu/mailman/listinfo/xmca> > -- Carol A Macdonald Ph D (Edin) Developmental psycholinguist Academic, Researcher, and Editor *EditLab.net* Honorary Research Fellow: Department of Linguistics, Unisa __________________________________________ _____ xmca mailing list xmca@weber.ucsd.edu http://dss.ucsd.edu/mailman/listinfo/xmca