8076 /www/nrich/html/content/id/8076/ 10 2012-01-13T13:01:37 <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"><p>This collection of investigational activities explore numbers in a variety of contexts.  They are particularly good for challenging high-attaining primary children.</p></mdoxml> 2 0 0 0 0 0 0