问题情境一般由三部分组成栆皇切轮粗亩鲬这是核心成份摱茄晕粗鞯男枰獡三是学生的可能性懓ㄑ拇丛炷芰椭端綊据此教师在数学教学中设置问题时应立足于教材和学生的实际懖扇《嘀址绞郊し⒀难靶巳启迪惙⒄寡乃嘉瑨教师在备课时立足于教 The problem situation is generally composed of three parts: The key component is the core component, the eggplant, the halo, the rough man, the possibility of a student, and the possibility of a student. According to this question, teachers should base their teaching on the teaching materials and the students’ practical fantasies when setting up problems in mathematics teaching. The teacher is at the end of the lecture. Prepare for teaching based on teaching