人教版初中七年级数学下册_1.pptx

PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;一、学习目标;如果两条直线有一个公共点，就说;握紧把手时，随着两个把手之间的;任意画两条相交直线,在形成的四;有关概念：;做一做;有关概念：;2、下列各图中∠1、∠2是对顶;对顶角的性质:;练一练;例题讲解;例题讲解;练习与反馈;练习与反馈;练习与反馈;练习与反馈;解答题：;小结;祝同学们学习进步;PowerPoint演示文稿;一、新课引入;二、学习目标;三、研读课文;三、研读课文;三、研读课文;三、研读课文;三、研读课文;四、归纳小结;五、强化训练;五、强化训练;五、强化训练;PowerPoint演示文稿;一、新课引入;二、学习目标;三、研读课文;三、研读课文;三、研读课文;三、研读课文;四、归纳小结;五、强化训练;五、强化训练;5.1.3同位角内错角同;1、请问两条直线相交所得四个;4123Oab答：有两种位置关;三线八角;同位角;内错角;同旁内角;通过上面的学习，请同学们讨论：;练习一：请找出下列各图中所有的;例.直线DE、BC被直线AB所;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;小结;思考题;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿;PowerPoint演示文稿