“…In relation to the instrumental genesis model, Trouche developed the notion of instrumental orchestration to stress the relevance of teaching practices (Trouche, 2004). Case studies based on these models describe teachers' practices in relation to their opinions and beliefs (Drijvers, 2012;Drijvers, Doorman, Boon, Reed, & Gravemeijer, 2010;Pierce & Ball, 2009). Another model on teachers' professional knowledge is Technological Pedagogical Content Knowledge (TPACK), which became widespread but is also criticized (Graham, 2011;Koehler, Mishra, & Yahya, 2007;Voogt, Fisser, ParejaRoblin, Tondeur, & Van Braak, 2013).…”