( 3 ) to summarize the knowledge and examine the effectiveness of learning by a test the teacher and the students summarize and set up the constructive network of the mathematical knowledge together to reach the teaching aims 教师在讨论中进行点拨调控，激励创新，对学生进行情意培养。 ( 3 )总结检测。师生共同总结、构建数学知识结构网络，并检测教学目标的达成情况。
