A few days ago, a mother asked me in a private letter: "Mom Han, my child is in a big class now and has started to learn Pinyin, but he always writes the letters backwards and teaches them many times, but he still makes the same mistake." He pays no attention to study at all. What can he do? "

In fact, it is normal for children to write letters or numbers backwards. Han Han often asks me when writing:

"Mom, mom, is 6 above or below?"

"Mom, does P face turn left or right?"

When Hanhan was 4 years old and 7 months old, she saw me writing a reading note, and she sat next to me and wrote it. She wrote all the black ones, but she couldn't remember how to write the other colors. When she asked me, I wrote them opposite her. You can see that some letters and numbers are upside down.

When children first learn to write letters or numbers, they often can't tell "6 and 9, 5 and 2", "P and Q" and "B and D".

But it will get better gradually. For example, just after my fifth birthday, I won't struggle with the extreme left or right when writing numbers or letters, but I will occasionally make mistakes and find them when I finish writing.

This is the name of the book that Han Han had to write by himself when we took reading notes last night. In fact, it is "painting words", but it is getting better and better.

In the process of learning, children's brains will have this primitive phenomenon, not only left and right, but also up and down, such as "9, 6", which is collectively called symmetry disorder. It's easy to confuse the brain when you see symmetrical things, just like the inverted image on the human retina.

Scientists who study children have found that most children will go through such a "mirror stage". This is because children's visual perception and sense of space are not strong.