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Direct linkYeung, Wing-Leung; Ng, Oi-Lam – International Journal of Mathematical Education in Science and Technology, 2022
In this paper, we introduce a technology-enhanced pedagogical sequence for supporting lower secondary school students' sense-making of the concept of volume in a non-procedural and non-formula-driven way. Specifically, we illustrate a novel approach of using dynamic geometric environment (DGE) to introduce the meaning of volume and then deriving…
Descriptors: Geometry, Mathematics Instruction, Teaching Methods, Algebra
Leung, Allen; Chan, Yip-Cheung – International Journal for Technology in Mathematics Education, 2006
This paper describes a possible dragging experiment in a dynamic geometry environment (DGE) that explores a necessary and sufficient condition for cyclic quadrilateral. The dragging modalities identified by Arzarello, Olivero, Paola, and Robutti (2002) and the functions of variation realized in DGE discussed by Leung (2003) will be used as tools…
Descriptors: Geometric Concepts, Geometry, Mathematics Instruction, Foreign Countries
