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Download full textOtálora, Yenny – North American Chapter of the International Group for the Psychology of Mathematics Education, 2016
This study examined how small groups of second-grade children developed understandings of the concept of congruence while collaboratively exploring and solving problems with dynamic representations of triangles using Sketchpad on the iPad. One case study is presented to illustrate how young learners can infer geometrical relationships between…
Descriptors: Grade 2, Elementary School Students, Mathematical Concepts, Concept Formation
