Download or read book 5th Grade Logic Puzzles written by Ted Warner and published by . This book was released on 2018-05-11 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masyu (also known as "Shiroshinju Kuroshinju," "White pearls and black pearls") is a type of logic puzzle. It is played on a rectangular grid of squares, some of which contain circles; each circle is either "white" (empty) or "black" (filled). The goal is to draw a single continuous non-intersecting loop that properly passes through all circled cells.