How can people’s behaviour be changed?

One of our regular contributors, Phil Hall, looks at the success of the recently-introduced plastic bag charge in England, and asks if there are lessons for the completion of the UK’s stalled metric changeover.

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Will Scotland keep the pound avoirdupois as well as the pound sterling?

What impact would Scottish independence (if it were to happen) have on weights and measures?  Martin Vlietstra supplies an answer.

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Metrication of the rail network

Last October Network Rail announced that they will be phasing out miles, chains and yards on the British Rail network in favour of metric units. This has already been done on most, if not all Britain’s metro and tram systems while the dimensions of railway vehicles have been measured in metric units since the 1970s. Why this change of heart?
(Article contributed by Martin Vlietstra)

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Should we forget fractions and only use decimal?

I am motivated to write this article because, in the past, I have come across supporters of metrication, some of whom with teaching experience, who say that only decimals should be taught rather than both fractions and decimals in elementary mathematics in school.

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