Thousands of years in the future, our civilisation is just an ancient myth.
Liana, a 13 year old girl lives in Seren-ila, a valley with a peaceful, sustainable culture, cut off from the rest of the world for hundreds of years. Her best friend, Her...
You can skip this section now if you like, but you might want to come back to it later to check some things.
Seren numbers are based on a duodecimal or dozenal system. In other words, they use the number that we call twelve, and Seren-ilians call twil, as the base on which they count, rather than the number ten. Our system, based on the number ten, is called a decimal system.
Equivalent numbers are below. From these, you should be able to work out the Seren equivalent to decimal numbers up to many millions, and perhaps you will be able to do Seren sums. Will it be easier than doing sums to base ten?
Why twelve, rather than ten? See if you can think of some reasons.
More about the duodecimal system, and its advantages and disadvantages can be found at https://en.wikipedia.org/wiki/Duodecimal
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Bigger numbers
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