“Children’s chances of success are maximised if they develop deep and lasting understanding of mathematical procedures and concepts.” NCETM – National Centre for Excellence in Teaching of Mathematics
“Mastering maths means pupils acquiring a deep, long-term, secure and adaptable understanding of the subject.”
“The phrase ‘teaching for mastery’ describes the elements of classroom practice and school organisation that combine to give pupils the best chances of mastering maths.”
“Achieving mastery means acquiring a solid enough understanding of the maths that’s been taught to enable pupils to move on to more advanced material.” NCETM
You might find it helpful to read the 16-page document Progress report on Teaching for Mastery in English primary schools which reflects the widespread positive impact of the programme.
Find out more:
The NCETM has a great deal of information about teaching for mastery on its site including videos of teachers using this approach, case studies, and teaching materials. They use a diagram in their national training that describes the key ideas.
The journey to mastery at Archimedes NE Maths Hub