谁能详细告诉我怎样下载绿色圃中小学教育资源网的课件_百度知道
谁能详细告诉我怎样下载绿色圃中小学教育资源网的课件
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ID：3-2040490
本课件共计19张幻灯片，设计思路是从学生的已有认知出发，动手操作，再引导学生探究，小组合作得出结论的过程；最后，再将知识应用到实际生活中，使学生亲身感受到数学来源于生活，生活中处处可见数学现象。一、 创设情境，复习导入。1．看谁眼尖嘴快说出它们的名字。（出示各种图形）2．看来同学们都没有忘记咱们学过的这些图形，（出示主题图）我们现在在这幅图中找一找，都有哪些图形？指出：看来图形在我们生活中无处不在。这节课我们就来认识一种图形——四边形。（板书课题）3．画一画：同学们，你们想象中的四边形会是什么样的呢？你们一定对四边形有很多的想法，根据你的想象，动手把四边形画出来。二．合作探究。（一）、观察体会，认识四边形1把你认识的四边形的图形圈起来。2.小组讨论。================================================压缩包内容：《四边形》教学课件+教案《四边形》教学设计.doc《四边形》教学课件+教案《四边形》教学课件.ppt
需要精品点：2个
ID：3-2023727
本课件共计35张幻灯片，设计新颖独特，赋予童趣，情境展示，引出课题，留下悬念，出现一定的坡度，让学生有充分的感性认识，一定要引导学生说出"每份同样多"。通过例l的教学引出"平均分"的概念，这里设计让学生用自己的理解给这种分法取名字，这样做的目的是让学生用语言对这种体会做出一种概括，加深他们对"平均分"概念的理解。从学生的生活情境出发，初步感知平均分现象，概括出"平均分"的概念；再引导学生探究，操作"平均分"，体验从原始化平均分到最优化平均分的过程；最后，再将知识应用到实际生活中，使学生亲身感受到数学来源于生活，生活中处处可见数学现象。================================================压缩包内容：除法的初步认识课件.ppt除法的初步认识教学设计.doc
需要精品点：2个
ID：3-1959849
《可能性》（两课时）课件+教案+练习+素材第一课时：15张PPT课件+教案+练习+素材第二课时：13张PPT课件+教案+练习+素材一、情境引入1．导入：今天老师给大家带来一个硬币，猜猜硬币在哪只手里？ 让学生猜一猜，学生猜可能是在右手，可能是在左手．2．猜猜抛出的硬币是正面朝上还是反面朝上？3．师揭题：学生说的这些都是有可能发生的事情，在数学上都是些不确定性事件。这节课我们就来研究事件发生的可能性。（板书课题：可能性）二、互动新授1．引入：下周班会，老师想组织大家表演节目，每个人都有机会表演。但节目形式不能重复，每个类型只能有一个节目，大家讨论一下，我们应该怎样确定每一个同学演什么节目呢？21教育网组织小组讨论，大部分同学会想到用抽签的方法来决定。================================================压缩包内容：《可能性》（两课时）课件+教案+练习+素材《可能性1》课件+教案+练习+素材《可能性1》教案.doc《可能性》（两课时）课件+教案+练习+素材《可能性1》课件+教案+练习+素材《可能性1》练习题.doc《可能性》（两课时）课件+教案+练习+素材《可能性1》课件+教案+练习+素材例题动画—一定抽到什么节目？.swf《可能性》（两课时）课件+教案+练习+素材《可能性1》课件+教案+练习+素材例题动画—可能抽到什么节目？.swf......
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需要精品点：5个
ID：3-1957569
14张PPT课件+教案+练习+素材一、创设情境，引入新课出示骰子，师问：同学们见过骰子吗？你们在哪见过？它和数学有什么联系？掷一个骰子，可能掷出哪些数？（学生可能回答：在打麻将时、玩具上见过；骰子上有6个数字。）学生回答后，师引导：这节课我们就来掷一掷骰子，通过游戏一起探究骰子里面还有哪些数学知识。二、师生互动，探究新知1．思考：如果同时掷出两颗骰子，它们出现的点数之和会有哪一些7根据学生的回答板书：2、3、4、5……12。追问：可能有1和13吗？为什么？学生自主思考，通过组合知识得出结论。（不可能，因为两个数的和最小是2最大是12。）================================================压缩包内容：《掷一掷》课件+教案+练习+素材《掷一掷》教案.doc《掷一掷》课件+教案+练习+素材《掷一掷》练习题.doc《掷一掷》课件+教案+练习+素材例题动画—和可能有哪些？.swf《掷一掷》课件+教案+练习+素材进入景区.swf......
需要精品点：2个
ID：3-1955750
15张PPT课件+教案一、复习导入1．有一根绳子长31.4m，小红、小东和小林分别想用这根绳子在操场上围出一块地，怎样围面积最大？
二、创设情景，生成问题
1、出示第75页主题图，谈话：（1）主题图上呈现的是什么？（2）这些物体的名称都含有“扇”字，那什么是扇形呢？（3）根据画面情境，你能说出一些扇形的物体吗？================================================压缩包内容：《扇形》课件+教案《扇形》教案.doc
需要精品点：2个
ID：3-1953081
《圆的面积》（两课时）课件+教案+素材《圆的面积》12张PPT课件+教案+素材《圆的面积应用》12张PPT课件+教案+素材一、创设情景，生成问题1、出示主题情景图：①从图中你获得哪些数学信息？②提问：“这个圆形草坪的占地面积是多少平方米？” “占地面积”指什么？谁能上来指一指？2、认识圆的面积：实际生活中还有许多类似的问题，如一根圆柱形钢材的横截面面积、圆形体育场的占地面积等都是指的圆的面积。拿出自己手中的圆，指一指哪是这个圆的面积？3、说一说：什么叫圆的面积？4、揭示课题：今天我们就来研究圆的面积。================================================压缩包内容：《圆的面积》（两课时）课件+教案+素材《圆的面积》课件+教案+素材《圆的面积》教案.doc《圆的面积》（两课时）课件+教案+素材《圆的面积》课件+教案+素材习题课件（5）.swf《圆的面积》（两课时）课件+教案+素材《圆的面积》课件+教案+素材割圆术.swf《圆的面积》（两课时）课件+教案+素材《圆的面积》课件+教案+素材圆的面积推导.swf......
需要精品点：4个
ID：3-1951957
《比》（两课时）课件+教案+素材《比的意义》12张PPT课件+教案+素材《比的基本性质》16张PPT课件+教案+素材一、复习。分数与除法有什么关系？二、新授。1．情境导入，“神舟”五号顺利升空。教学比的意义（1） 教学同类量的比。杨利伟展示的两面旗都是长是15厘米，宽是10厘米。我们可以怎样表示长和宽的关系？（引导学生说出：可以求长是宽的几倍？）（让学生列式计算） 说明：比较结果，长是宽的
倍。还可以：求红旗的宽是长的几分之几学生列式计算： ================================================压缩包内容：《比》（两课时）课件+教案+素材《比的基本性质》课件+教案+素材《比的基本性质》教案.doc《比》（两课时）课件+教案+素材《比的基本性质》课件+教案+素材习题课件（3）.swf《比》（两课时）课件+教案+素材《比的基本性质》课件+教案+素材正五角星与黄金比.swf《比》（两课时）课件+教案+素材《比的基本性质》课件+教案+素材正五边形和正五角星.swf......
需要精品点：4个
ID：3-1951956
15张PPT课件+教案+素材一、创设情景，生成问题
圆桌和菜板都有点开裂，需要在它们的边缘箍上一圈铁皮，分别需要多长的铁皮啊？同学们，你们有办法解决吗？二、探索交流，解决问题（一）认识周长
每个同学的桌上都有一元硬币、茶叶筒、易拉罐等物品，从这些物体中找出一个圆形来，互相指一指这些圆的周长。21教育网（二）圆周长的测量方法 1、讨论方法：请同学们结合我们手里的圆想一想，有没有办法来测量它们的周长？ 2、反馈：（基本情况）（1）“滚动”——把实物圆沿直尺滚动一周；================================================压缩包内容：《圆的周长》课件+教案+素材《圆的周长》教案.doc《圆的周长》课件+教案+素材习题课件（4）.swf《圆的周长》课件+教案+素材割圆术.swf《圆的周长》课件+教案+素材测量圆周长的方法（滚动法）.swf......
需要精品点：2个
ID：3-1951955
13张PPT课件+教案+素材一、创设情景，导入新课1、出示第57页主题图，谈话：（1）图上画了些什么？你了解到哪些信息？（2）根据画面情境，你能找出圆形的物体吗？2、揭示课题：在我们日常生活中，从精巧的手工艺品到气势宏伟的各种建筑，到处可以看到大大小小的圆。今天我们就来研究圆。 二、探索交流，解决问题（一）、画圆1、画圆（1）你能想办法在纸上画一个圆吗？（2）学生利用生活的物品或工具来画圆================================================压缩包内容：《圆的认识》课件+教案+素材《圆的认识》教案.doc《圆的认识》课件+教案+素材习题课件（1）.swf《圆的认识》课件+教案+素材习题课件（2）.swf《圆的认识》课件+教案+素材习题课件（3）.swf......
需要精品点：2个
ID：3-1949747
《分数除法》（两课时）课件+教案《分数除法：例4》14张PPT课件+教案《分数除法：例5》15张PPT课件+教案一、复习1、出示复习题：阅读下面的句子，说说你的理解。篮球的数量是足球数量的 2、找出下面各题中表示单位“1”的量，并说出等量关系式。。（1）苹果的个数是桃子个数的
（2）女生占全班人数的
（3）篮球个数的 相当于足球的个数。================================================压缩包内容：《分数除法》（例4,例5两课时）课件+教案《分数除法：例4》课件+教案《分数除法：例4》教案.doc《分数除法》（例4,例5两课时）课件+教案《分数除法：例5》课件+教案《分数除法：例5》教案.doc
需要精品点：4个小学数学教学资源网 -- 课件分类下载
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