Singapore Math looks very good.  I wish my daughter had been taught with it.  The problem I see with Math in California is its very broad and shallow.  Yes, they can claim that an amazing amount of stuff has been covered, but how well have the students learned it?  The Singapore Math concept is go over fewer concepts, but more in depth.

Making Math Lessons as Easy as 1, Pause, 2, Pause ... - NY Times

Labels: Education, Education Improvements