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第一章 直线和平面 两个平面垂直的判定和性质(一) 教学目标 1 .使学生掌握两个平面垂直的判定定理及证明,并学会初步应用定理解决问题; 2 .通过本节定理的引入,培养学生的联想及概括思维能力; PowerPoint PPT Presentation


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第一章 直线和平面 两个平面垂直的判定和性质(一) 教学目标 1 .使学生掌握两个平面垂直的判定定理及证明,并学会初步应用定理解决问题; 2 .通过本节定理的引入,培养学生的联想及概括思维能力; 3 .通过本节命题的构造、完善、论证过程,培养学生分析、论证的思维能力. 教学重点和难点 面面垂直的判定定理的引入及证明. 教学用具 1 .两个互相垂直的平面(制做教具)和一根直细木棍; 2 .一个正方体(教具),固定在底面对角线两端点的一条橡皮筋. 教学设计过程

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第一章 直线和平面 两个平面垂直的判定和性质(一) 教学目标 1 .使学生掌握两个平面垂直的判定定理及证明,并学会初步应用定理解决问题; 2 .通过本节定理的引入,培养学生的联想及概括思维能力;

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