新课程标准中明确提出“有效的数学学习活动不能单纯地依赖模仿与记忆,动手实践、自主探索与合作交流是学生学习数学的重要方式”。在人教版初中教材中,安排了大量的探究活动,也充分体现了对探究活动的重视。在讲授《平行四边形的性质》一节时,我想到了很多:一、选择探究问题要注重学生现有的知识基础探究问题的选择直接影响探究活动的质量和效果,在 The new curriculum standard clearly states that “effective mathematics learning activities can not rely solely on imitation and memory, hands-on practice, independent exploration and cooperation and exchange is an important way for students to learn mathematics.” In the PEP junior high school teaching materials, a large number of inquiry activities are arranged, which also fully reflect the importance attached to inquiry activities. In teaching “the nature of the parallelogram” section, I think a lot: First, the choice of inquiry should focus on the existing knowledge base Students explore the question of the choice of a direct impact on the quality and effectiveness of inquiry activities in