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 ...

Math shouldn’t be harder than finding the last matching sock in your laundry. These clever shortcuts convert head-scratching problems into quick mental wins. You’ll conquer calculations faster than ...

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 ...

This math trick can help you multiply any two-digit number by 11. Arlene Resendiz is TikTok's resident math whiz. When she's not working as a professional tutor, she's teaching the internet the ...

Multiplication tables are a fundamental building block of mathematics, essential for everything from quick mental calculations to understanding more complex concepts later on. However, for many ...

Flipping through a deck of cards in the library as her friends and classmates slough through books and papers means that, sometimes, people want answers from Carolyn Chen. "I usually have to reassure ...

A simple finger trick for the 11 times table is helping secondary school students aged 12 to 16 improve mental arithmetic skills. By separating two-digit numbers, adding the digits, and inserting the ...

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 ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Andy Kiersz Every time Andy publishes a story, you’ll get an alert straight to your inbox!