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Basu, Debasmita; Panorkou, Nicole – North American Chapter of the International Group for the Psychology of Mathematics Education, 2018
This study is part of a larger project exploring students' thinking of Dynamic Measurement (DYME), an approach to area measurement that engages students in dynamic digital experiences of measuring rectangular surfaces through sweeping lengths. The goal of this study was to evaluate the extent to which students could bridge the mathematical…
Descriptors: Measurement, Mathematics Instruction, Grade 3, Elementary School Students
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Plummer, Julia D. – Studies in Science Education, 2014
The big idea of "celestial motion", observational astronomy phenomena explained by the relative position and motion of objects in the solar system and beyond, is central to astronomy in primary and secondary education. In this paper, I argue that students' progress in developing productive, scientific explanations for this class of…
Descriptors: Spatial Ability, Astronomy, Learning Processes, Models