PORTLAND, Ore. — Nearly two decades ago, Miwako Sakabayashi opened the doors to her Portland-area Japanese Abacus Math School. Today, Sensei Miwako continues to teach local kids how to tackle math ...
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 ...
Junior UCMACS Abacus Mental Arithmetic Skills, a renowned institution in the field of abacus and mental arithmetic training for over two decades, has set an extraordinary benchmark in the world of ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results