No calculators allowed here — students who receive vision services from the Iowa Educational Services for the Blind and Visually Impaired took part in Iowa's first Abacus Bee on Saturday. The Abacus ...

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 ...

SAN ANTONIO – Fabian Rodriguez, 12, is a Legacy Middle School seventh grader. Rodriguez is a quiet person both in and outside of the classroom, but he’s never shied away from math. The seventh grader ...