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Lundberg, Anna L. V. – International Electronic Journal of Mathematics Education, 2022
This case study explores how 12-13-year-old students encounter proportional reasoning while working with geometric patterning tasks using concrete materials. The focus is on the students' use of spontaneous concepts when first dealing with such patterns in the context of collaborative work. Based on video recordings of a single lesson, a…
Descriptors: Middle School Students, Mathematics Skills, Logical Thinking, Geometric Concepts
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Svensson, Christina; Holmqvist, Mona – International Electronic Journal of Mathematics Education, 2021
The aim of this study is to explore pre-service teachers' procedural and conceptual understanding of pupils' understanding of mean value, before and after an intervention. Participants are 66 pre-service teachers, and two teacher educators. The data consists of five video-recorded lessons and pre-service teachers' pre- and post-test discussions.…
Descriptors: Preservice Teachers, Concept Formation, Intervention, Mathematical Concepts