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 ...

If math never quite stuck for you, Ben Orlin is here to change that. Orlin is a math teacher and author of a new book, Math for English Majors. His mission is to help people see math in a more ...

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. Math shouldn’t be harder than finding the last matching sock in your laundry. These clever shortcuts convert head-scratching ...

A simple math trick which can calculate a person’s shoe size and age has taken over social media and amused many. The problem includes a series of simple questions that produces a number, whose first ...

Before you submit an error, please consult our Video Help page. Rise and Shine is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, ...

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 ...