The abacus predates the alphabet and the invention of glass, but its use can help modern day students increase their math proficiency and understanding. Ulrich Boser, the author of Learn Better, ...
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 Japanese abacus (soroban) held over an older style Chinese abacus (suan pan). Photograph by Forrest M. Mims IIIFORREST M MIMS 111 Photo Caption: A Japanese abacus (soroban) held over an older style ...
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 ...
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 ...
The 4,000 year old abacus might be ancient technology, but it can serve as a teaching tool for modern students. When operating the device, one learns decomposition — a way to think about pairs of ...
HAEBARU TOWN, Okinawa — A 6-year-old Japanese girl stood with her back to Defense Department students gathered Thursday to learn about the Japanese abacus, or soroban, at the Tsukazan Community Center ...
When 11-year-old Priyanshi Somani multiplies strings of 10-digit numbers or finds the square root of a six-digit number, she doesn’t use a calculator or even pencil and paper. Instead, like other ...
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