A Collaborative to Study Beliefs of Mathematics Teacher Educators Chauvot, Jennifer., Ice, Nicole., Lovin, Lou Ann., Norton, Anderson., Leatham, Keith., Kastberg, Signe. and Sanchez, Wendy.  
Fractions on the Number Line: The Travel of Ideas Saxe, Geoffrey., Shaughnessy, Meghan., Earnest, Darrell., Cremer, Sarah., Platas, Linda., Sitabkhan, Yasmin. and Young, Adena.  
The Complexity of Affect in an Urban Mathematics Classroom Alston, Alice., Goldin, Gerald., Jones, Jennifer., McCulloch, Allison., Rossman, Cathleen. and Schmeelk, Suzanna.  
Understanding Students Learning through their Activity: Toward a Basis for a Scientific Approach to Task Design and Sequencing Simon, Martin., Saldanha, Luis., McClintock, Evan., Karagoz Akar, Gulseren., Wattanabe, Tad. and Zembat, Ismail.  

