Abstract
In this paper I report on a pilot study which has been carried out to investigate children's understanding of numeration. In . particular I am int((rested in exploring how yOlng children develop an understal)ding of the structure of ones, tens, hundreds, ... that is embodied in the mental, verbal and written notions of the number system that we use. What is the relationship between a child's: i) ii) iii) . understanding and use of equivalent groups in counting; understanding of the process of regrouping in representations of number; and understanding of place value and the structure of the numeration system. When and how does a child begin to understand the structure of the number system? How is structural flexibility developed so as to operate meaningfully with the number system (numeration sense)?
NOEL THOMAS
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