According to the curriculum standard, the first and second grades of primary school mathematics should have four classes a week, and the third to sixth grades should have five classes a week.

The Ministry of Education has stipulated the weekly workload of teachers:

1. The weekly workload of primary school teachers is 14— 18. Chinese and mathematics have 0/4 classes per week, and other full-time teachers have 0/8 classes per week.

2. The weekly workload of junior middle school teachers is12-16. Chinese, mathematics, English 12 class per week, physics, chemistry, biology, politics, history, geography, physical education 14 class per week, music, fine arts, comprehensive practice, information technology 16 class per week; There are 7 classes in physical education or no less than 14 per week, and no less than 18 per week for art and computer.

3. The weekly workload of ordinary senior high school teachers is10-14. Chinese, mathematics, English 10, physics, chemistry, biology, politics, history, geography 12, music, sports, fine arts, general technology, mental health, information technology 14. As a class teacher, the class hours per week should be no less than 10.