9501 /www/nrich/html/content/id/9501/ 10 2012-09-21T12:09:35 <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0">Do you enjoy thought-provoking questions? If so, this is the place for you.<br></br> <br></br> These collections of activities are ideal for developing your subject knowledge and problem-solving skills.<br></br> <br></br> Remember that you can always use the <a href="http://nrich.maths.org/discus/messages/board-topics.html">Ask NRICH</a> forum for hints and suggestions if (when!) you get stuck on the problems.</mdoxml> 2 3 0 0 1 0 0 Header for Topics in Secondary Mathematics