A video of the trick was posted onto the Facebook page Mathematics Tutorial, showing a tutor breaking down a series of problems for viewers. It has received a rave reaction online with many calling it ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Not everyone has an aptitude for maths. It's all too easy to forget even some of the basics once you've left school. Then there's the fact pretty much everyone has a calculator on their phone. All of ...

Fast Percentage calculations in mind using Mental Maths: Calculate almost any percentage in your mind. Simple tricks to calculate percentages like 10%, 20%, 75% and more mentally. This is useful for ...

Add Yahoo as a preferred source to see more of our stories on Google. Math shouldn’t be harder than finding the last matching sock in your laundry. These clever shortcuts convert head-scratching ...