“…Scholars in language education have long recognized teachers' expertise in using materials (e.g., Grossman, 1990;Richards, 2010;Tomlinson, 2012). However, the "funds of knowledge" (Seargeant & Erling, 2011) that teachers deployed to enact curriculum is recently identified in four domains, namely, the curriculum materials (Remillard & Kim, 2017), disciplines (Brown, 2009;Remillard, 2018), students (Gueudet & Trouche, 2012), and contexts (Choppin, 2009). Based on Shulman's (1986) categorization of teacher knowledge, Remillard and Kim (2017) termed knowledge of curriculum embedded mathematics to define what mathematics teachers need to activate to design instruction through the use of curriculum materials.…”