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Download full textSlovin, Hannaha; Dougherty, Barbara J. – International Group for the Psychology of Mathematics Education, 2004
This paper describes a design research study with ten second-grade students who are part of the Measure Up (MU) research and development project underway at the University of Hawai'i. Students were asked how they counted in multiple bases, specifically how they knew when to go to a new place value and why it was necessary to do so. All ten…
Descriptors: Number Concepts, Concept Formation, Number Systems, Mathematics
Thomas, Noel – International Group for the Psychology of Mathematics Education, 2004
A cross-sectional study of 132 Australian rural children from grades K-6 assessed children's understanding of the number system. Task-based interview data exhibited lack of understanding of the base ten system, with little progress made during Grades 5 and 6. Few Grade 6 children used holistic strategies or generalised the structure of the number…
Descriptors: Elementary School Students, Number Systems, Concept Formation, Cognitive Ability
