Rachel Riley is best known for appearing alongside Susie Dent and Nick Hewer on Countdown. On the afternoon puzzle show, she shares her knowledge for maths.Tonight she will join Michael McIntyre on his show The Wheel but how long has Rachel been a part of Countdown?Rachel has been a part of the Countdown team since 2009 when Carol Vorderman announced her exit from the popular puzzle show.Back in 2019, the mathematician celebrated 10 years on the series on her social media.At the time she wrote on her Instagram: "Today marks 10 years on screen for me at Countdown!!!!"I've loved every minute, well 30 seconds!"A lot has changed over the last 10 years but the support of the public hasn't.Thanks all, here's to 10 more".In a separate post, she.
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