Robert is a US maths educationalist and all round legend. He is the brains behind the Open Middle website, and the depth of knowledge framework. In this episode we delve deep into problem solving using those two key ideas as a stimulus, and also discuss effective CPD. It is a good one!

For more information about today’s guest, plus links to the websites, resources and ideas they mention, please visit the show notes page: http://www.mrbartonmaths.com/blog/robert-kaplinky-depth-of-knowledge-open-middle-problems-and-effective-cpd/