“…As NCTM (2014) pointed out, "effective teaching of mathematics uses evidence of student thinking to assess progress toward mathematical understanding and to adjust instruction continually in ways that support and extend learning" (p.10). Given the importance of this skill for improving teaching, teacher noticing has emerged as key in the international research agenda (Schack, Fisher, & Wilhelm, 2017;Sherin, et al, 2011;Stahnke, Schueler, & Roesken-Winter, 2016).…”