7874 /www/nrich/html/content/id/7874/ 10 0000-00-00T00:00:00 <mdoxml version="1.0"><p>Identify and record the information or calculation needed to solve a puzzle or problem; carry out the steps or calculations and check the solution in the context of the problem</p></mdoxml> 0 3 1 0 0 0 0