1. If a child is the type who listens carefully and studies hard but can't learn well, then his ignorance of mathematics means that he is in a blind spot, which can't be taken care of by current education. There may be some knowledgeable and responsible tutors who will give him some correct guidance, but it's hard to say, so you should be very patient and careful to ask your child what he doesn't understand and let him speak his true thoughts. Don't reprimand him severely, and don't be too violent in your words.

2. If children don't listen carefully in class and don't teach themselves, they should "clean up" properly. ...

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