The UK needs to shift its ‘anti-maths mindset’, according to Rishi Sunak. But while the prime minister wants everyone to learn maths until the age of 18, do the sums add up against a recruitment crisis in teaching? The Guardian’s John Harris speaks to Gill Burbridge, headteacher of Leyton sixth form college, and Guardian columnists Rafael Behr and Gaby Hinsliff. Help support our independent journalism at theguardian.com/politicspod