教育课件幂的乘方市名师优质课比赛一等奖市公开课获奖课件.pptx

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title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,第十四章 整式乘法与因式分解,14.1.2,幂乘方,第1页,【,学习目标,】,1,、了解幂乘方法则；,2,、利用幂乘方法则计算。,【,学习重、难点,】,重点：了解幂乘方法则。,难点：幂乘方法则灵活利用。,第2页,【,预习导学,】,一、自学指导,1,、自学,1,：,自学书本,P96,97,页,“,探究及例,2,”,，了解幂乘方法则完成填空。,5,分钟,5,2,2,个,5,相乘,底数,指数,第3页,【,预习导学,】,二、自学检测：,学生自主完成，小组内展示、点评，教师巡视。,7,分钟,1,、教材,P97,页练习题；,点拨精讲：,碰到乘方与乘法混算应先乘方再乘法。,点拨精讲：,搞清楚底数才能防止符号错误，混合运算时首先确定运算次序。,第4页,【,合作探究,】,小组讨论交流解题思绪，小组活动后，小组代表展示活动结果。,10,分钟,点拨精讲：,可将等式两边化成底数或指数相同数，再比较。,第5页,【,合作探究,】,小组讨论交流解题思绪，小组活动后，小组代表展示活动结果。,10,分钟,点拨精讲：,第6页,【,跟踪练习,】,学生独立确定解题思绪，小组内交流，上台展示并讲解思绪。,5,分钟,第7页,【,点拨精讲,】,（,3,分钟）,第8页,【,课堂小结,】,（学生总结本堂课收获与迷惑）,2,分钟,【,当堂训练,】,10,分钟,第9页,