Ryoichi Murakami

Ryoichi Murakami is the founder and CEO of El Camino, a premier cram school in Tokyo. Many of his students go on to elite schools such as the University of Tokyo, and compete in the International Mathematical Olympiad. In addition to teaching at El Camino, Murakami is active in publishing, works as a puzzle maker, and writes questions for the Olympiad.


The Original Area Mazes
100 Addictive Puzzles to Solve with Simple Math—and Clever Logic!
by and and
Paperback | $8.95

Once you match wits with area mazes, you’ll be hooked! Your quest is to navigate a network of rectangles to find a missing value. Just Remember: Area = length × width Use spatial reasoning to find helpful relationships Whole numbers … Continue reading