9426 /www/nrich/html/content/id/9426/ 10 2012-09-17T13:29:14 <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0">The links below take you to a selection of our favourite "rich tasks" from the NRICH collection, chosen because they are ideal for developing subject content knowledge (usually met between the ages of 11 and 16) as well as mathematical thinking and problem-solving (process) skills.<br></br> <br></br> To see all the problems in one place download our <a href="/content/id/9426/Newest%20KS3%20and%204%20content%20mapping.doc">Secondary Mathematics Curriculum Mapping Document</a>.<br></br> <br></br></mdoxml> 0 3 0 0 1 1 0 Header for Stage 3 &amp; 4 Curriculum