chalk and talk
noun
sometimes derogatory a formal method of teaching, in which the focal points are the blackboard and the teacher's voice, as contrasted with more informal child-centred activities
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012