Shared publicly  - 
Take $30 off your next graduate-level course at PBS TeacherLine, starting January 23, 2013! (Enter the promo code 2012HOLIDAY prior to checkout and submit your order by December 31, 2012.) We recommend MATH410 – Seeing Math™ Linear Functions (developed by the Concord Consortium). 
PBS TeacherLine is the premier online professional development resource delivering courses online for PreK-12 teachers.
Add a comment...