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“Come on guys, use your sense!” Illuminating the ‘incarnate’ work of teaching - Koshmann

Twelve years ago, Lehrer and Schauble rolled out a newly-designed math and science curriculum in a particular 5th gradeclassroom (Lehrer & Schauble, 2004, 2011). In this talk, I will examine a brief fragment of interaction recorded in this classroom.The participants observed here are trying to work out how to graphically represent a set of data. It is a problem of reconciling therange of values to be presented with the space available on the sheet of graph paper with which they are working. In the courseof working out this problem, they engage in the concerted generation of a series of number ...
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