In 2020/21, all Maths Hubs will be running primary maths Teaching for Mastery Work Groups led by Mastery Specialists. This programme is for schools who have a commitment to developing a teaching for mastery approach. Although the school’s participation involves two teachers attending events outside of the school, it is expected that these two teachers lead development across the whole school. Each Maths Hub is now seeking to recruit schools for Work Groups, each involving six or seven schools. This document gives information about the Work Groups and how schools can apply to be involved.