2022年人教版小学数学六年级上册第八单元第一课时《数学广角—数与形》教学设计2 .pdf

学习好资料欢迎下载数与形【教学内容】教科书第 107-108 页的例 1，以及相应的练习题。【教学目标】知识与技能：1重视“数”“形”之间的联系，找到解题规律。2.引导学生探究算式左边的加数与大正方形右上角的小正方形和其他“L”形图形所包含的小正方形个数的关系，发现“数”“形”之间的联系，找到其中的规律，使学生在体验用形表示数的直观性的同时，学会应用规律解决问题。过程与方法：1.借助“数”“形”之间的关系，解决相关问题。2.使学生在初步了解、运用“数形结合”思想方法的同时，体验到数学的极限思想。情感态度价值观：在巩固练习时，充分利用教材习题，引导学生在解决问题时能举一反三地运用所学，使学生的解题能力得到培养。【教学重难点】重点：借助“数”“形”之间的关系，解决相关问题。学习好资料欢迎下载难点：体验到数学的极限思想。【教具准备】教具：PPT课件学具：完全相同的小正方形纸卡若干【教学过程】一、问题导入。1课件出示问题。计算出结果。你发现了什么？2.出示课题：数与形。二、探究新知教学例 1。(1)课件出示例题。看图，把算式补充完整。1()213()2135()2(2)看图与算式，总结发现。文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2学习好资料欢迎下载观察、讨论。仔细观察，看一看上面的图形和算式左边有什么关系？汇报发现。发现三：算式左边的加数和正好等于大正方形中每行(或每列)的小正方形个数的平方。算式左边的加数是大正方形右上角的小正方形和其他“L”形图形所包含的小正方形个数之和，正好是每行(或每列)小正方形个数的平方(3)运用规律解决问题。(可借助学具摆一摆)1357()2(135742135791113()2(13579111372)_ 92(135791113151792)（4）当堂练习：第108页的做一做第 1 题三、巩固练习1完成教材 108 页 2 题。第 6 个图形：红色 6 个，蓝色 18 个；第 10 个图形：红色 10文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2学习好资料欢迎下载个，蓝色 26 个。根据图示可知：红色小正方形的个数与图形的序数(第几个)相同，蓝色小正方形的个数(图形的序数 2)3图形的序数或蓝色小正方形的个数(图形的序数 2)22 2.计算出结果。3.完成练习二十二的第6 题。四、课堂总结通过本节课的学习，你学会了哪些解决问题的方法？【板书设计】数与形1()213()2135()2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 HF6I5R10M10B4 ZA8G1W8J4I2文档编码:CW10N9C6W4F4 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