It's good. The teachers who teach decimal mathematics are not the kind who blindly attend classes, but guide children, develop their thinking, expand their thinking and stimulate their divergent thinking. There are very powerful teachers. Let the children go to a class and say it's not bad. Many teachers in knowledge schools give lectures, but they are not so detailed that they will not remember them immediately. The child has been in class for two months now, and his score has increased from about 60 to about 80.