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.

DURHAM, N.C. -- Engaging a specific part of the brain during mental math exercises is connected with better emotional health, according to a new brain-scanning study published by Duke researchers in ...

My first date with my boyfriend was pretty average, a springtime walk followed by pizza. Sure, he was nice, a good listener and had dreamy blue eyes, but I wasn’t getting the butterflies. Well, not ...

Now that we've learned the basics of lightning fast mental addition, mental subtraction, and mental multiplication, it's time to turn our attention to a few tips that will help you take your skills to ...

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 ...

Many students struggle with mathematics but for some, it is a challenge they enjoy. Read full story ...

Mental maths is when you do calculations in your head instead of writing them down. Sometimes, it's just as quick to do calculations in your head as it is to write down every step. You can add and ...

Mental math shortcuts suggest future STEM performance—and gender is a significant predictor What is 29 + 14?