The "shoe magic" trick is making its way around the Internet. (See above.) It's a nifty little math trick, and it does indeed work (most of the time). I will first use my own data to demonstrate. I ...

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 ...

Imagine you're a trader. You're on the trading floor, trying to price out if a 15-year bond issued by General Electric will generate the returns needed to placate your investors. Bad news, your ...

YouTuber Kevin Lieber (who hosts the popular Vsauce2 series) has brought a classic math magic trick back from its ‘90s heyday. In the video, Lieber walks viewers through a magic trick where they ...

Everyone gets really wow'd when someone pulls off some exceptional mental math. The best part is, you can totally be that guy at the party with a little practice and preparation. What follows is 10 ...

“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 ...

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 ...

Stop struggling with completing the square and finally master the algebra steps you need to succeed. I break down the fundamentals of square numbers and square roots, providing a clear path to solving ...

Struggling with the 11 times table? Don’t worry—you’re not alone. For many secondary school students aged 12 to 16, multiplying by 11 can feel tricky, especially when trying to do it quickly in your ...

Mental math shortcuts turn intimidating calculations into instant answers without reaching for your calculator. Math shouldn’t be harder than finding the last matching sock in your laundry. These ...