Yazar "Hollebrands, Karen" için Scopus İndeksli Yayınlar Koleksiyonu listeleme
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Middle school students' employments of gestures for forming three-dimensional objects using an extrusion or spinning method
Okumuş, Samet; Hollebrands, Karen (Elsevier Science Inc, 2019)This case study addresses how middle school students use gestures concomitant with verbal expressions to relate the features of two- and three-dimensional objects. Eight students (five girls and three boys) participated ... -
Secondary mathematics teachers' instrumental integration in technology-rich geometry classrooms
Hollebrands, Karen; Okumuş, Samet (Elsevier Science Inc, 2018)Instrumental genesis, a psychological construct that describes the process of how an artifact becomes an instrument, illuminates the ways technological tools support mathematics learning. Teachers have vital roles in ...