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教学目标1、知识与技能(1)理解抛物线的定义,画出图形,并掌握抛物线的标准方程;(2)利用定义求抛物线的标准方程,焦点,准线;2、过程与方法 (1)从具体情境中抽象出抛物线的模型(2)培养学生主动探索精神,提高学生分析、对比、概括等方面能力.3、情感态度与价值观在学习抛物线中,体会数形结合、待定系数法、分类讨论等数学思想及方法.教学重点、难点1、教学重点:抛物线的标准方程及焦点、准线.
Teaching objectives 1, knowledge and skills (1) to understand the definition of parabolas, draw the graphics and master the standard equation of the parabola; (2) the use of the definition of the standard equation to find the parabola, focus and alignment; 2, the process and methods (1) Abstract parabola model from the specific context (2) Students develop the initiative to explore the spirit and improve students ability to analyze, contrast, summarize, etc. 3, the attitude and values of emotion in learning parabolic, experience the combination of number, to be determined coefficient method, classification Discussion and other mathematical ideas and methods. Teaching focus, difficulties 1, teaching focus: the standard equation of parabola and focus, line.