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 ...

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 ...

Forget the traditional, cumbersome method and use this trick: to multiply a number by 5, divide by 2, and move the decimal point one decimal place to the right. SO, if, say, you had the number 8,600 ...

YouTuber Michael Stevens (who hosts the popular Vsauce series) has brought a classic math magic trick back from its ‘90s heyday. In the video, Stevens walks viewers through a magic trick where they ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Haven’t got the Math Awareness Month bug yet?