Posted by Buttercup on Friday, October 10, 2008 at 4:42pm.
What is the greatest number of times you would regroup when multiplying a three digit factor by a two digit factor?
I think it is four but I am not sure.

math  Damon, Friday, October 10, 2008 at 6:32pm
Buttercup, I do not understand this arcane method.