Now that the UCAS deadline has been and passed, here are some of the things available out there to help students prepare for a Maths interview.
Interview prep webinars from Cambridge (sign up required)
https://maths.org/step/events
Oxford Interview webinar (27th Nov):
https://www.maths.ox.ac.uk/study-here/undergraduate-study/maths-admissions-test/mat-livestream
MEI mock interviews (UK state school only):
https://mei.org.uk/event/eaa615d6-543c-4518-ad92-717605a58918/
TBO Problem solving booklet (Interview like questions):
https://www.drfrost.org/downloadables.php?rid=261 Beware of spoilers - the
"solutions" booklet is listed first