Montgomery Blair High School student Rishik Shenolikar turned a small pandemic tutoring effort into Potomac PiRates Inc., a ...

You probably haven’t had to do longhand math in years, but you do mental math every day. Or maybe you google math problems ten times a day, because you’ve forgotten how to do any math beyond your ...

In second grade, I stopped being able to do math. One night I went to do my long-division homework and I couldn’t figure it out. My mom demanded that I sit with my math teacher because my sudden ...

OK, Ari, what is 567 times 123? And you have exactly three seconds to answer, so you better move fast. SHAPIRO: You can't be serious right now, Juana. SUMMERS: (Laughter). SHAPIRO: There's no way ...

FORT LEE — For 10 seconds, a series of 50 random three-digit numbers flashed on the screen. After another second, abacus master Jeonghee Lee announced she'd finished the mental addition, correctly ...

Mike Byster is one of the world’s fastest mental math minds. He solves complex math equations in his head—even faster than a calculator. A former commodities trader turned educator, he has empowered ...