A mathematical problem that just doesn't add up

Most of us share it and it seems a safe enough assumption: mathematical skills and performance develop and advance as students progress through their elementary school years. However, a new study by University of Notre Dame psychologist Nicole M. McNeil suggests that for at least one type of math problem, 7-year-old students are outperforming 9-year-olds.

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<p><a href="http://www.physorg.com/news97508859.html">A mathematical problem that just doesn't add up</a></p> <p>Most of us share it and it seems a safe enough assumption: mathematical skills and performance develop and advance as students progress through their elementary school years. However, a new study by University of Notre Dame psychologist Nicole M. McNeil suggests that for at least one type of math problem, 7-year-old students are outperforming 9-year-olds.</p>