1. The students did not study the t

1. The students did not study the textbook and curriculum standard carefully, did not grasp the key points, difficulties and keys of the textbook in place, did not understand the knowledge, formed skills and mathematical abilities of the students in this class accurately, and did not understand the pre and post connection of knowledge, the position and role of the knowledge in this class completely. There is no good lesson preparation, the use value of the lesson plan is not high.Suggestion: be sure to make full preparation before class. To create an efficient classroom, it is very important to prepare well before class. Preparing for a good lesson is the foundation of a good lesson. Preparing for a good lesson is the foundation of a good lesson. Combining with my teaching practice, I think that the following preparations should be made for preparing lessons: full interpretation of curriculum standards; full interpretation of teaching materials and auxiliary materials; full interpretation of teaching objects; full accumulation and integration of various teaching resources. With these, your classroom teaching will be scientific, flexible, open and efficient. It is absolutely forbidden to go to class without preparation for any reason.