2025年教学资料:6.5直线与圆的位置关系
授课题目授课时长高等教育出版社《数学》(基础模块下册)6.5直线与圆的位置关系2课时选用教材授课类型新授课本课通过实例介绍直线与圆的位置关系,采用数形结合的方式,利用比较半径与圆心到直线的距离大小来判定直线与圆的位置关系,通过例题学习求圆的切线方程以及直线与圆相交所得的弦长.教学提示能识别直线与圆的位置关系,会通过比较半径与圆心到直线的距离大小的方式来判定直线与圆的位置关系,会求直线与圆相交时的弦长,会求圆的切线方程,逐步提升直观想象、数学抽象等核心素养.教学目标教学重点教学难点教学环节根据给定直线和圆的方程,判别直线与圆的位置关系.直线与圆位置关系的判定.教师学生设计教学内容活动活动意图在日...
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