Ever dreamt of solving math problems in your head with the speed of a calculator? Mental math might seem challenging, but it's a skill attainable through the right tools and techniques. The abacus, an ...
Over 350 children from 30 African countries gathered in Kigali on Saturday, October 18, for the 2nd Shenmo Africa Cup Abacus Mental Math Olympiad, a fast-paced, high-energy arithmetic competition.