1, the whole class has clear thinking, compact links, outstanding difficulties and reasonable design. Students' classroom habits are very good, everyone can actively participate in the classroom, and the classroom effect is good.

Teachers use situations to guide students to learn new knowledge, and students' interest in learning is fully mobilized. There are many places worth learning.

Teachers are persuasive in teaching new knowledge, which makes it easy for students to learn, and the teaching design is good and the guidance is in place, at the same time, it also makes students realize the connection between students and life.

(1) The whole class is in high spirits.

(2) Fully reflect the leading role of students and teachers.

(3) In the last link, students can calculate their height and design it well, which arouses their enthusiasm.

The teacher's class is very successful, and the students' enthusiasm and participation rate are extremely high. In particular, teachers can grasp children's psychological characteristics and create certain situations.

Teachers also provide a wealth of content, so that students have more opportunities to explore independently in the whole teaching process, so that students can learn and improve in activities.

Teachers can start from the characteristics of students, so that students can explore and understand new knowledge in the process of playing activities. On the whole, the effect is really good and worth learning.