http://jte.sagepub.com Journal of Teacher Education DOI: 10.1177/0022487109341150 2009; 60; 364 Journal of Teacher Education Rebekah Elliott, Elham Kazemi, Kristin Lesseig, Judith Mumme, Cathy Carroll and Megan Kelley-Petersen Conceptualizing the Work of Leading Mathematical Tasks in Professional Development http://jte.sagepub.com/cgi/content/abstract/60/4/364 The online version of this article can be found at: Published by: http://www.sagepublications.com On behalf of: American Association of Colleges for Teacher Education (AACTE) can be found at: Journal of Teacher Education Additional services and information for http://jte.sagepub.com/cgi/alerts Email Alerts: http://jte.sagepub.com/subscriptions Subscriptions: http://www.sagepub.com/journalsReprints.nav Reprints: http://www.sagepub.com/journalsPermissions.nav Permissions: http://jte.sagepub.com/cgi/content/refs/60/4/364 Citations at OREGON STATE UNIV LIBRARY on September 9, 2009 http://jte.sagepub.com Downloaded from