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Peer reviewedFuson, Karen C.; Smith, Steven T.; LoCicero, Ana Maria – Journal for Research in Mathematics Education, 1997
Reports on year-long classroom teaching experiments in two predominantly Latino low-socioeconomic-status (SES) urban classrooms which sought to support first graders' thinking of 2-digit quantities as tens and ones. Presents a model of a developmental sequence of conceptual structures for 2-digit numbers to describe children's thinking.…
Descriptors: Cognitive Development, Cognitive Processes, Cultural Differences, Ethnomathematics
