When I was a kid learning arithmetic the only visual aid I remember is flash cards. These were useful for memorizing single-digit addition and multiplication, but is memorization really the best ...

For this series, we've been thinking a lot about some of the iconic objects that some of us remember using — if only for a short period of time — in our early schooling. Slide rules, the recorder, ...

China's Zhusuan or the knowledge and practice of arithmetic calculation using an abacus, has been nominated by UNSECO for competition to be listed as World Intangible Cultural Heritage. The final ...

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 ...

Now that digital learning is the way of the future, children and students are increasingly using online abacus platforms to expand their skill sets. Some kids have a natural aptitude for math and ...