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 ...

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 ...

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 ...

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 ...