2025年教学资料:6.3两条直线的位置关系
·授课题目授课时长高等教育出版社《数学》(基础模块下册)6.3两条直线的位置关系5课时选用教材授课类型新授课本课首先介绍两条直线平行、重合及相交的位置关系及判定的方法,研究两条直线相交的位置关系及两条直线垂直的条件,最后介绍点到直线的距离的计算公式,学习利用斜率判定两条直线的位置关系以及求两条直线的交点坐标,用待定系数法求与已知直线平行(或垂直)的直线方程,求点到直线的距离,并帮助学生体会斜率在研究直线中的重要作用.教学提示通过学习,会求两条直线交点的坐标,逐步提升直观想象和数学运算等核心素养;通过学习两条直线平行以及垂直的条件和判定方法,能根据条件判定两条直线的位置关系,逐步提升直观想象、逻...
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