9491 /www/nrich/html/content/id/9491/ 10 2012-09-18T12:29:20 <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0">This is our collection of games for upper secondary students. As with all of our games, players should be armed with a pen and paper to help to plan their strategies and record their findings as they play. The games are listed in approximate order of difficulty.<br></br> <br></br> Have fun!</mdoxml> 0 0 0 0 1 1 1