1, combined with the specific situation, using sticks, pictures and other teaching (learning) tools for intuitive teaching. 2, take the initiative to talk with each student, understand each student's situation. In teaching, we should pay attention to the enthusiasm of students to participate in learning activities, encourage their good behavior and cultivate their enthusiasm for learning mathematics. 3. Cultivate students' good study habits, and gradually guide students to learn to think independently, dare to ask questions, listen carefully to other people's opinions, and be willing to express their ideas. 4. Create activity situations by learning favorite games, fairy tales, stories, cartoons and other forms according to the actual life and children's physiological and psychological characteristics. 5. Encourage and respect students to think independently and guide students to discuss and communicate. 6. Leave enough time and space for students in practical activities to learn mathematics knowledge in activities. 7, according to the characteristics of students in this class and the actual situation, creative use of teaching materials, design the teaching process.