Mastering Number

Since 2014, the NCETM and Maths Hubs have been working together to develop approaches to teaching for mastery within primary maths. Thousands of schools have benefited. The Mastering Number Programme has been running since 2021 and is wholly consistent with teaching for mastery.

Please find below the details of our Mastering Number Work Groups and Community. 

Mastering Number

Mastering Number

at Reception and KS1 Work Group



This Work Group aims to secure firm foundations in additive relationships and the development of good number sense for all children from Reception through to Year 1 and Year 2

Applications now closed- follow the link to express an interest for 2025/26

Mastering Number

Embedding the Impact Community




This community offers schools that have previously engaged in Mastering Number at Reception and KS1 continued support to embed the programme in their school. It also supports Year 3 teachers to build on pupils’ prior learning by using centrally produced teaching materials to secure pupils’ fluency.

Enrolment now open, follow the link for further information and how to enrol. 

Mastering Number at

KS2 Work Group


This Work Group enables pupils in Years 4 and 5 to develop fluency in multiplication and division facts, and a confidence and flexibility with number that exemplifies good number sense. It is for schools that have participated in a Mastering Number Work Group (at Reception and KS1), and are also in a Sustaining Work Group. (Junior Schools who are in a Sustaining Work Group may also apply)

Applications open- follow the link to apply by Friday 21st June