This incredible maths trick that works out your shoe size and age will blow your mind

This is incredible.

Cast your mind back to maths class at school. Chances are you found the subject a little tedious.

But numbers can be exciting. At least they can when appearing to conjure some sort of mysterious witchcraft.

This 'maths trick' has been around a little while, but cropped up on Twitter on Friday and dumbfounded some people.

The formula works out your shoe size and age in six simple steps - to begin, the method requires only your shoe size, and then guides you through the process to magic up the your age.

It worked for us, but there's a distinct caveat - the whole thing only works if you've not yet had your birthday. But it's early 2016, so it should work for most of you.

Here goes:

Others reacted in a similar fashion.

If you want a relatively simple solution and explanation, there's one here. It's algebra - there's method to the mathsness.

More: This incredibly difficult maths puzzle is somehow aimed at eight-year-olds in Vietnam

More: Can you pass GCSE maths?