• Calculators at A level – ten calculations students should be able to do on a calculator and why
• Completing the square using algebra tiles – area representations to help illuminate algebraic multiplication
• Podcast: What mastery has done for our school – if you saw Jenny Laurie’s article last term, hear her in person in our interview
• Dr Eugenia Cheng rethinks gender and maths – Want to use more concrete equipment but not sure how? Our videos and guidance documents could help
• Royal Institution Christmas Lectures – this year mathematical, accessible and fabulous. Catch them on the BBC iPlayer

All this is in the January issue of our Secondary Round-up, which comes to you on the fourth Friday of every month. Previous editions are available on the News & Features page.

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