I am not a math teacher in the traditional sense.

來源: 2012-12-30 01:00:36 [舊帖] [給我悄悄話] 本文已被閱讀:

I just happened to coach math competition preparation since I did it as a kid.

 

For a 10-year-old boy, exhaustive search/case work is definitely highly commendable. But from the point of view of explaining how to solve these types of problems, exhaustive search will not help. As someone pointed out before, if there are N dice instead of 4, a valid method still needs to provide solutions.