How to Add Old Pounds, Shillings and Pence (With a Discussion of Their Origins)

Britain adopted metric currency (the New Pence) in 1971, so there are now 100 new pence in one pound sterling. Here in Australia, our currency was decimalised in 1966.

Prior to these dates, however, in living memory, the old system of pounds, shillings and pence was established for many years. I share with you how these major units came to be, and why they were represented by the symbols '£,' 's,' and 'd.'

I then show how two monetary amounts would be added in those days. In this way we can further see how place value and the concept of base arithmetic governs our understanding of how to 'bundle' figures together.

As well as learning some mathematics, you will learn what a labourer's daily wage was in the days of the Roman Empire, why people in the army are called soldiers, where the dinar and lira came from, and why the slash symbol under the question mark on your keyboard is called a solidus.

I hope you enjoy the video.

Best wishes,

Graeme

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Best wishes with your study and your mathematics!

Thank you.