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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...

For many, mathematics in school was a subject to dread, but brain teasers with mathematical twists have a unique appeal. If you’re among those who enjoy cracking these puzzles, a new challenge on X ...

Ever dreamt of solving math problems in your head with the speed of a calculator? Mental math might seem challenging, but it's a skill attainable through the right tools and techniques. The abacus, an ...