Womcat Bookmarks for Philip Dorrell in subject Mathematics Education http://www.1729.com Womcat Bookmarks for Philip Dorrell. Womcat Bookmarks 2.1.0 Mathematics/Mathematics Education Human Sieve of Eratosthenes http://www.1729.com/wiki/HumanSieveOfEratosthenes.html A classroom game for acting out the Sieve of Eratosthenes. Mathematics/Mathematics Education Wed, 4 Aug 2004 14:44:59 +1200