从系统论的观点来看,学生知识的掌握、能力的培养都离不开学习的主体——学生自身知识的内化。因而,教师在课堂教学中要充分发挥学生的学习主体作用。设计“长方体和立方体的认识”一课时,笔者试图最大限度地引导学生参与教学全过程,使学生主动获取知识。现就这节课如何引导学生参与教学,谈如下几点粗浅的认识。一、引入时设疑,引导学生参与观察在学习“长方体和立方体的认识”之前,学生已学过长方形、正方形的特征及 From the system theory point of view, students have mastered the knowledge, ability training are inseparable from the main body of learning - the internalization of students’ own knowledge. Therefore, teachers should give full play to students’ learning role in classroom teaching. Design “Cuboid and Cube understanding” a lesson, the author attempts to maximize the students to participate in teaching the whole process, so that students take the initiative to acquire knowledge. Now on how to guide students to participate in teaching this lesson, talk about the following superficial understanding. First, when the introduction of suspicion, to guide students to participate in observation Before learning “cuboid and cube awareness,” students have learned rectangular, square features and