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MacDonald, Beth; Hunt, Jessica H.; Litster, Kristy; Roxburgh, Allison; Leitch, Michael – Investigations in Mathematics Learning, 2020
Subitizing, a quick apprehension of the numerosity of a small set of items, has been found to explain students' number understanding when counting. We utilized a constructivist teaching experiment methodology to investigate how the counting and subitizing activity of one student, Diego, related to his number understanding (described by his…
Descriptors: Numeracy, Computation, Elementary School Students, Mathematics Education
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Litster, Kristy – North American Chapter of the International Group for the Psychology of Mathematics Education, 2020
This study examined how two small-group discourse types (Reflective and Exploratory) supported the inclusion and enacted levels of cognitive demand of students who typically struggle with mathematics in real-world, task-based assessment activities. The study focused on 11 fifth-grade students within a larger study involving 97 fifth-grade students…
Descriptors: Inclusion, Mathematics Education, Learning Problems, Cooperative Learning