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Think of a Number
Apr 12, 1978 30 min avg S1 E4
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Description
tvFamilyKids
A light-hearted exploration of maths and science, presented by Johnny Ball.
Episode 4Water
Lots of giggles and quite a few gurgles as Johnny explores water from H to O. Meanwhile - Think of a Number. At a quick guess, which set of numbers has the larger total ?
