4 year old, 15 min attention span is good. practice 5 min a day

来源: 2017-03-09 12:51:46 [旧帖] [给我悄悄话] 本文已被阅读:

 increase to 30 min class after 5 year old, practice 15 min every day.

then 6 year old, 45 min class, practice 30 min every day.