00489nas a2200097 4500008003900000245017900039210006900218490000700287100002100294856007600315 2013 d00aUsing the Knowledge Quartet to quantify mathematical knowledge in teaching: The development of a protocol for initial teacher education. Research in Mathematics Education,0 aUsing the Knowledge Quartet to quantify mathematical knowledge i0 v151 aWeston, Tracy, L uhttp://www.middlebury.edu/academics/edst/files/tracy-weston/node/490825