Math can be tricky sometimes. Let's say you're adding several large numbers together, and you get an answer that you think is correct. How do you make sure? The simplest way to check your answer is to ...

You probably haven’t had to do longhand math in years, but you do mental math every day. Or maybe you google math problems ten times a day, because you’ve forgotten how to do any math beyond your ...

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 ...

Start with a deck of cards. Before the trick, sneak a peek at the 10th card in the deck. Memorize it. Now choose a volunteer. Ask him to choose a number between 10 and 20. Count out that number of ...

Sometimes the easiest, simplest way to liven up a party, sleepover, family gathering or presentation to a class is to perform a magic trick. Most magic tricks require fancy costumes and props, but ...

“Abracadabra, make two more pennies appear!” my daughter said as she shifted the paper plates to magically show three pennies total on the table. Money appearing from thin air is everyone’s dream, and ...