“…In the field of mathematics education, although untangling the relationship between teaching and learning is not easy and may pose many unexpected complications (Ball, 2002;Floden, 2001;Franke, Kazemi, & Battey, 2007;Goos, Stillman, & Vale, 2007;Hiebert & Grouws, 2007), the underlying reason why we do research on the teaching and learning of mathematics is because "we want to know why students do not get enough out of their mathematical education, and what we can do to remedy the situation" (Niss, 2007(Niss, , p. 1293. In researching classrooms, it is predictably difficult to conduct investigations, carry out the analyses and report on the findings on both the teacher and the students at the same time.…”