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How to Do Maths Without a Calculator - with Rob Eastaway

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Channel: The Royal Institution
Categories: Math  
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Knowing how to quickly estimate sizes and numbers is a useful everyday application of maths.
Buy Rob's book "Maths on the Back of an Envelope" now -

How many cats are there in the world? What's the chance of winning the lottery twice? And just how long does it take to count to a million?

Join best-selling maths author Rob Eastaway as he takes an entertaining look at how to figure without a calculator. With amusing anecdotes, arithmetical challenges, and handy calculations tips, this is an engaging introduction to the essential skills of estimation.

Rob Eastaway is an author and speaker whose books include the bestselling "Why Do Buses Come In Threes?" - - and "Maths for Mums and Dads" - He is the Director of Maths Inspiration, a national programme of theatre-based lectures for teenagers. He regularly appears on BBC Radio 4's More or Less programme, and his puzzles can sometimes be heard on the Today programme. In 2016 he was awarded the Zeeman Medal for excellence in the communication of maths to the general public.

This talk and Q&A was filmed in the Ri on 18 October 2019.

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