Rote Learning of Math
Hippocampal-neocortical functional reorganization
underlies children's cognitive development, Shaozheng Qin et al.,
nn.3788.pdf
"Hippocampal-neocortical functional reorganization ..."
reports on the internal changes that take place in children's brains
associated with rote learning of math facts. These changes persist though
life and enhance problem solving skills. The paper is written for
neuroscientists. A discussion written for laymen can be found
here.