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Peer reviewedBaroody, Arthur J.; Gatzke, Mary R. – Journal for Research in Mathematics Education, 1991
Explored is young children's ability to estimate set sizes and use reference points such as 10. Results indicated that many children could accurately place sets somewhat smaller than a reference point but had difficulty placing sets somewhat larger than a reference point. (CW)
Descriptors: Arithmetic, Cognitive Development, Cognitive Structures, Elementary School Mathematics
Download full textSilver, Edward A. – 1990
This paper discusses the central thesis that new research on estimation and mental computation will benefit from more focused attention on the situations in which they are used. In the first section of the paper, a brief discussion of cognitive theory, with special attention to the emerging notion of situated cognition is presented. Three sources…
Descriptors: Cognitive Processes, Cognitive Structures, Context Effect, Division
