论文部分内容阅读
教学目的:(1)掌握圆锥曲线的两种定义;(2)能运用圆锥曲线的定义推导焦半径公式;(3)能运用圆锥曲线的定义和焦半径公式解题;(4)掌握类比推理、数形结合、消元引参、不等式求范围等数学思想;(5)在复习阶段树立重视课本、研究课本的理念;教学重点:圆锥曲线定义和焦半径公式的推导;教学难点:圆锥曲线定义和焦半径公式的运用;教学过程:环节1.回归课本
Teaching objectives: (1) Master the two definitions of conic curves; (2) Derivation of focal radius formulas using the definition of conic curves; (3) Ability to apply conic curve definitions and focal radius formulas to solve problems; (4) Master analogical reasoning , Mathematical ideas such as combination of number and shape, elimination of quotation, inequalities, etc.; (5) Establishing the concept of valuing textbooks and studying textbooks during the review stage; Teaching focus: Definition of conic section definition and formula of focal radius; Difficulties in teaching: Conic curves Definitions and use of the formula for the focal radius; Teaching Process: Step 1. Return to Textbook