Grading proposition, according to the fourth, fifth and sixth grades of primary school, the first, second and third grades of junior high school and the first and second grades of senior high school.

1, the content of the test questions does not exceed the current mathematics syllabus, does not exceed the teaching progress, and is close to the current mathematics textbook, which originates from the textbook and is higher than the textbook.

2. The topic is vivid and not difficult, clever and not biased, popular, ideological and enlightening.

3. Mathematical thinking is a very important scientific thinking. The examination questions strive to embody the beauty of scientific thinking, combine scientificity with interest, and combine the investigation of knowledge and ability with the cultivation of thinking ability.