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In this paper, we discuss the use of a framework of “growth points” in early mathematics learning and a related, task-based, one-to-one interview in assessing children’s understanding of the measurement of mass. Data are presented from a sample of 1806 children in the first three years of school. An example of a child’s responses is given to illustrate the kinds of thinking revealed by interviewing young children about their developing concepts of mass.

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Open Access Conference Paper

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