On Tuesday 23 February 2010 09:13:59 pm Edward Cherlin wrote: >We also know that simply asking the question and making careful observations >also gives astonishing results, as, for example, in the careers of Maria >Montessori and Jean Piaget. Also Jerome Bruner Yes. But these people followed the child. Jean Piaget discovered that children in the 2-7 age group do not comprehend conservation of quantity or use logical thinking. Children don't come with fast forward buttons :-).
>> > Concepts > > like product (a*b), square, square root, symbols to represent quantity > > and manipulating them will take some more time. The constructional > > technique adopted by Julia Nakajima is so beautiful because it uses > > growth instead of symbols. > > Can you give me a URL for that? See page 7 second last para of http://www.vpri.org/pdf/m2007007a_revolution.pdf I typed the name wrong :-(. The correct name is Julia Nishijima. Also see http://dobbse.net/thinair/2008/12/growth-and-polygons.html Subbu _______________________________________________ IAEP -- It's An Education Project (not a laptop project!) [email protected] http://lists.sugarlabs.org/listinfo/iaep
