Dr Tom Crawford on Countdown - Amazing Numbers Round 903

The most ridiculous numbers round you'll ever see on Countdown... Using only + - x /, make 903 from 75, 9, 6, 4, 10, 5. Your 30 seconds starts now! Oxford University Mathematician Dr Tom Crawford joins the Countdown team as the numbers expert for 3 weeks to cover for Rachel Riley. Watch at 2:10pm weekdays on Channel 4. Footage copyright Channel 4. 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