青岛版六年级数学下册第二单元冰淇淋盒有多大---圆柱和圆锥的认识.ppt教学内容.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,义务教育课程标准实验教科书,青岛版,数学六年级下册,二、冰淇淋盒有多大,_圆柱和圆锥,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,1,一、教材地位,前接知识,新知识,后续知识,圆、长方体、正方体等有关知识,圆柱和圆锥,第三学段的几何知识(立体几何、三视图等),Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,2,二、单元教学目标,1.在现实情境中，通过观察、操作、比较等活动，认识圆柱和圆锥，掌握它们的特征。,2.结合具体情境，通过探索与发现，理解并掌握圆柱的侧面积、表面积和圆柱、圆锥体积的计算方法，并能解决简单的实际问题。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,3,二、单元教学目标,3.经历探索圆柱、圆锥有关知识的过程，进一步发展空间观念。,4.在观察与实验、猜测与验证、交流与反思等活动中，初步体会数学知识的产生、形成与发展的过程，体验数学活动充满着探索与创造，初步了解掌握一些数学思想方法。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,4,三、单元教学内容,窗,主题,知识点,1,冰淇淋盒,圆柱和圆锥的认识,2,制作圆柱形纸筒,圆柱的侧面积和表面积,3,冰淇淋包装盒容积,圆柱和圆锥的体积,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,5,四、单元编写特点,1.打破了传统的知识编排顺序，加强了圆柱和圆锥的对比和联系。,同时安排圆柱和圆锥的认识，可以通过对圆柱和圆锥模型的观察、操作和比较，更清晰地了解它们之间的联系和区别，发现并掌握圆柱和圆锥的特征。圆柱与圆锥体积安排在一个窗，在探索时给予启发，引导学生用实验的方法探索圆锥和圆柱体积之间的关系。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,6,四、单元编写特点,2.体现从猜想到验证的学习过程，渗透研究数学问题的思想与方法。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,7,五、单元课时统筹,圆柱圆锥认识,圆柱表面积,圆柱圆锥体积,回顾整理,探索+练习：,1课时,探索、练习：,1课时,圆柱体积探索、基本练习：,1课时,2课时,巩固练习：,1课时,圆柱体积巩固练习：,1课时,圆锥体积探索、基本练习:,1课时,巩固：,2课时,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,8,六、信息窗教学建议,教学内容,：,圆柱和圆锥的特征,。,信息窗介绍,：,两种不同形状的冰淇淋包装盒,。,例题的设置,：,第一个红点：初步认识圆柱和圆锥。,第二个红点：圆柱和圆锥的特征。,信息窗一：冰淇淋盒,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,9,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,10,信息窗教学建议,（,一）注重学生已有的生活经验。,（二）多给学生提供一些动手操作的机会。,(三)注重多媒体的应用，培养学生的空间观念。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,11,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,12,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,13,教学内容,：,圆柱的侧面积和表面积,。,信息窗二：制作圆柱形纸筒,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,14,信息窗教学建议,（一）加强直观操作，让学生直观理解圆柱的表面积与侧面积,。,课前操作 课中操作,（二）,注重几个概念的区分,。,侧面积、表面积、底面积等,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,15,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,16,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,17,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,18,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,19,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,20,教学内容,：,圆柱和圆锥体积。,例题的设置,：,第一个红点：圆柱的体积。,第二个红点：圆锥的体积,。,信息窗三：冰淇淋包装盒容积,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,21,信息窗教学建议,（一）启发诱导学生，回忆以往解决数学问题的思想和方法，通过猜想和操作，找到圆柱体积的计算方法，引领学生实现方法的迁移。,（二）让学生在操作中理解圆柱、圆锥的体积,。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,22,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,23,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,24,教学建议,：,（一）,自主式回顾整理。,（二）在教师的引领下回顾整理。,回顾整理,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,25,练习教学建议,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,26,教学建议,：,一、让学生课前调查了解水结成冰，冰化成水，体积发生了怎样的变化，变化的数据是多少。,二、结合学生的交流，讨论实验的方法、步骤，准备实验材料。,三、实验。,四、通过计算交流实验结果，提高学生的综合学习和研究能力。,综合应用,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,27,