chalk and talk
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
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- chalk line,
- chalk out,
- chalk stripe,
- chalk talk,
- chalk up
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