This article Boost your mental math speed and accuracy with these effective abacus tricks. This practical guide explains fundamental techniques like direct addition and subtraction using complements ...

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 ...

In this video I share the Chinese multiplication chants I learned when I was eight years old and can still recite perfectly in my thirties. I walk through examples like 2×2, 7×7, and 8×9 to show how ...

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 the journal ...