2134/18860 Dave Hewitt Dave Hewitt Feedback: expanding a repertoire and making choices Loughborough University 2015 untagged 2015-09-25 08:54:43 Chapter https://repository.lboro.ac.uk/articles/chapter/Feedback_expanding_a_repertoire_and_making_choices/9367250 The authors in this volume purposefully analyze the teaching of mathematics as a source for teachers’ own learning. This volume explores how and when teachers' knowledge develops through teaching.