Dr Tom Crawford on Countdown - All Number Rounds From Week 3

Oxford University Mathematician Dr Tom Crawford joins the Countdown team as the numbers expert for 3 weeks to cover for Rachel Riley. These are all number rounds from his third week on the show. Week 1 all number rounds: https://www.youtube.com/watch?v=8Ct9fJrU-8U Week 2 all number rounds: https://www.youtube.com/watch?v=3Al_NXmsAhs Footage copyright Channel 4. Watch live at 2:10pm weekdays or catch up on the Channel 4 app. Tom is Public Engagement Lead at the Oxford University Department of Continuing Education: https://www.conted.ox.ac.uk/profiles/tom-crawford For more maths content check out Tom's website https://tomrocksmaths.com/ You can also follow Tom on Facebook, Twitter and Instagram @tomrocksmaths. https://www.facebook.com/tomrocksmaths/ https://twitter.com/tomrocksmaths https://www.instagram.com/tomrocksmaths/ Support Tom's work via Patreon here: https://www.patreon.com/tomrocksmaths