1. It is necessary to fully reflect the changes in teachers' roles and students' learning styles.

2. Emphasize the design of mathematical thinking and emotional attitude. Provide students with time and space for exploration and communication, return the initiative of learning to students, realize equal dialogue in the true sense, and let students participate in extensive cooperation and communication.

3. Instructional design should promote the improvement of students' mathematical quality. Students' mathematical literacy includes students' acquisition of mathematical knowledge, application of mathematical methods, absorption of mathematical ideas and input of mathematical emotions. To improve students' literacy, we must turn knowledge into wisdom and accumulate culture into quality.

4. Textbooks should come from reality. Students will have affinity for the mathematics that happens around them in their study life.

5. Instructional design should reflect the process of knowledge generation, development and application, which is beneficial to students' active construction.

6. The form of teaching content should be rich and colorful, and attention should be paid to the creation of learning situations, such as stories, scenes, animations, games and experiments. Be flexible and pay attention to the learning needs of different students.

7, teaching media design should be targeted, to be used by me, to improve efficiency, to stimulate interest and break through difficulties, to avoid formalism.