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学习的过程包含两方面的建构:对新信息意义的建构和对原有经验的改造和重组.知识是动态的,将随学生认知程度的深入而不断变革.笔者以《倾斜角与斜率》为例阐述数学课堂有效教学的实践研究:分析学情知己知彼;分析教材有的放矢;完成教学设计开展教学活动;设计教学评价反思教学成效.高中数学教师需不断提升自己专业素养,达成“教”与“学”的平衡,促进更好地实现课堂教学的有效性.
The process of learning consists of two aspects: the construction of the meaning of new information and the transformation and reorganization of the original experience.Knowledge is dynamic and will change with the deepening of students’ cognition.With “Tilting Angle and Slope” As an example to illustrate the practical study of effective teaching in mathematics classroom: to analyze the knowledge of oneself and to others; to analyze the teaching materials with a definite aim; to complete the teaching design and carry out the teaching activities; to design the teaching evaluation to reflect the teaching effectiveness. And “learning ” balance, and promote the effectiveness of classroom teaching.