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时间:2020-10-21
《人教版小学数学一年级上《立体图形认识》教学教材ppt课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、认识立体图形Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.一、依据情境,导入新课交流:你都收集到哪些物体了,跟小伙伴说一说。这些都是我收集的!快说说它们都是什么形状的物体!Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.二、操作学习,感知特点问
2、题:你能把它们分类整理好吗?(一)仔细观察,分一分Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.(二)结合实际,找一找交流:1.你身边哪些物体与上面这些形状相同?2.用自己的语言说说每种形状的物体是什么样的。二、操作学习,感知特点Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-
3、2011AsposePtyLtd.请把形状相同的放在一起。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.球圆柱体正方体长方体长方体、正方体、圆柱、球Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.长方体Evaluationonly.Create
4、dwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.正方体Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.圆柱体Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011As
5、posePtyLtd.球Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.长方体、正方体、圆柱、球长方体:是长长方方的,有6个平平的面;正方体:是四四方方的,有6个平平的面,6个面大小一样;圆柱:是直直的,上下一样粗细,上下两个底面圆圆的、平平的;球:是圆圆的。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.
6、Copyright2004-2011AsposePtyLtd.长方体正方体圆柱球Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.有几个立体图形4124yǒuɡè有个有个有个有个yǒuɡèyǒuɡèyǒuɡèEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePty
7、Ltd.长方体探究新知Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.正方体Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.圆柱:Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientPro
8、file5.2.0.0.Copyright2004-2011AsposePtyLtd.球Evaluationonly.Cr
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