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Download full textSudirman; Runisah; Yaya Sukjaya Kusumah; Bambang Avip Priatna Martadiputra – Pegem Journal of Education and Instruction, 2023
3D geometry is an essential concept in mathematics because it relates to real-world experiences and numerous mathematical topics. However, some students still have difficulty understanding this geometry. Therefore, this study aims to identify and describe students' epistemological obstacles to the dimensions of representation, spatial structure,…
Descriptors: Geometry, Mathematical Concepts, Teaching Methods, Junior High School Students
Pradana, Lingga Nico; Sa'dijah, Cholis; Sulandra, I. Made; Sudirman; Sholikhah, Octarina Hidayatus – European Journal of Educational Research, 2020
The purposes of the current study were to develop students' spatial orientation skills using Virtual Mathematics Kits (VMK) and to evaluate VMK as a form of digital media in terms of spatial orientation. This study involved 42 lower-class and 47 higher-class elementary school students as the intervention group and 36 lower-class and 41…
Descriptors: Mathematics Instruction, Educational Technology, Technology Uses in Education, Spatial Ability
