Notes that Markle's (April 1975 issue of this journal) summary of the current state of research regarding concept teaching conveys a major misconception and omits a major conception. (Author/AM)

Argues that mathematical learning should be viewed as a process of active individual construction and a process of enculturation into the mathematical practices of wider society. It further argues that the sociocultural perspective theorizes the conditions for the possibility of learning, whereas constructivist perspectives focus on what students…

Presents a view of the interplay among the various factors of personal experience, language, and socialization in the process of learning science in classrooms. Discusses the problematic relations among scientific knowledge, the learning of science, and pedagogy. (GLR)