Parents should talk to children that there is a bug in the class, and how to fix it on the spot, for example, children do not like studying mathematics, there should be no special supplements to more knowledge, etc.
Parents should talk to the children, there is a bug in the class and how to fix it on the spot, like kids do not like math, it should be a lesson to further the knowledge and so on.
Parents should talk that the child is learning how to correct the defects in and at that point, such as the kids don't like mathematics, they should be studying for more knowledge. And so on.