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 ...

Michelle Chin is an Austin-based influencer known as the "human calculator," and on Dec. 14, she'll teach a free online class called "Math Magic." The room was silent except for the scribbling of ...