教学的最好方法就是引导学生自己去发现、主动去探索。在“圆的面积”一课的教学中，我总结出自主探索的“六性”，培养了学生勇于探索、大胆创新的精神。自主探索目标的发展性探索目标必须有利于促进学生的发展。“圆的面积”一课的探索目标的发展性要体现两方面：其一，探索求圆的 The best way to teach is to guide students to discover and take the initiative to explore. In the teaching of “Circle Area”, I summed up the “six sexes” that I explored independently and cultivated the students' bold exploration and bold innovation. Self-exploration of the development goals of the target must be conducive to promoting the development of students. “Circle area ” a lesson to explore the development of the goal to reflect two aspects: First, to explore the round