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 ...

One of Aaryan Shukla's world records is for mentally adding 100 four-digit numbers in 30.9 seconds. Reading time 2 minutes Remember when your teachers used to say that mental math is important because ...

In today's fast-paced world, parents are constantly looking for ways to give their children an edge, especially when it comes to developing strong mental abilities. Two popular methods, Abacus ...

DENVER - If anyone knows the value of a number, it has to be Scott Flansburg, a man known officially as "The Human Calculator." "I had a weird moment in third grade where I got picked to go to the ...

Long before calculators existed, civilisations across the globe developed ingenious mental calculation systems that could solve complex problems in seconds. These time-tested methods are experiencing ...

When 11-year-old Priyanshi Somani multiplies strings of 10-digit numbers or finds the square root of a six-digit number, she doesn’t use a calculator or even pencil and paper. Instead, like other ...