Calculators are awesome, but they’re not always handy. More to the point, no one wants to be seen reaching for the calculator on their mobile phone when it’s time to figure out a 15 percent gratuity.

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 ...

May 21 (UPI) --An 11-year-old Florida girl earned a Guinness World Record for mental math when she solved a 12-digit multiplication problem without a calculator, pen or paper. Sanaa Hiremath, who was ...

Ralph and side-kick Matrix have more questions to consolidate mental maths skills. The focus of this quiz is multiplication. Before taking part in the quiz make sure you have a pencil or pen and a ...

The method that we learn in school is a long multiplication method. But this method is very time consuming. SO let’s learn a much faster way to multiply a 2-digit number by 11. Step 1 - Write 3 and 6 ...

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 ...

A set of guidelines adopted by 45 states this year may turn children into "little mathematicians" who don't know how to do actual math. A few weeks ago, I wrote an article for TheAtlantic.com ...

Before taking part in the quiz make sure you have a pencil or pen and a piece of paper ready for writing down your answers - better still, print off our answer sheet below. Use your mental maths ...