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# 10 Math Tricks You Probably Don’t Know

Written by Craig Childs
Craig is an editor and web developer who writes about happiness and motivation at Lifehack
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No matter how hard you try, maybe giving up maths straight after leaving high school, you inevitably end up having to solve a bleeding problem some time.

Or you enjoy the simplistic logic of maths. Either way, these 10 easy tricks to solving a few harder problems will be of use to you.

The first trick is similar to the times 10 trick where you just add a zero to multiply anything by ten. This one is for multiplying by 11.

Take the original number and imagine a space between the two digits (in this example we will use 52: 5_2
Now add the two numbers together and put them in the middle: 5_(5+2)_2
That is it – you have the answer: 572.

10 Easy Arithmetic Tricks – [Listverse]

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