Figuring out a word problem. Calculating area and perimeter. Finding the measure of an unknown angle. All these tasks, and more, draw on an essential foundation of math knowledge, said Brian Bushart, ...

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 ...

Start with a deck of cards. Before the trick, sneak a peek at the 10th card in the deck. Memorize it. Ask your volunteer to add the first and second digit of their number together. For instance, if he ...