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小学数学课用点子图

小学数学课用点子图

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小学数学课用点子图

小学数学课用点子图 LG GROUP system office room 【LGA16H-LGYY-LGUA8Q8-LGA162】

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小学数学课用点子图

小学数学课用点子图集团文件发布号:(9816-UATWW-MWUB-WUNN-INNUL-DQQTY-

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数学点子图

五年级错题测试 姓名: 1.画出3个面积是12平方厘米的图形,并标明图1,图2,图3。 2.画出1个面积是24平方厘米的平行四边形。 3.画出1个面积是36平方厘米的三角形。 4.画出1个面积是12平方厘米的梯形。 5.请画出面积是18平方厘米的所有长方形,并标明图几。 ··················································································································································································································································································································································································································································································································································································································

小学数学三年级下册《点子图》习题

小学数学三年级下册《点子图》练习题一、学习新知14×12= 法1:圈一圈 算理:。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 法2:圈一圈算理: 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 法3:圈一圈算理: 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。 法4:表格 算式:

二、算一算: (1) 15×11= 圈一圈 算理: 。。。。。。。。。。。。。。。 。 。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。 表格: 算式: (2) 23×12= 圈一圈 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 。。。。。。。。。。。。。。。。。。。。。。。 算理:

探析小学数学中点子图的妙用

龙源期刊网 https://www.wendangku.net/doc/e94469910.html, 探析小学数学中点子图的妙用 作者:郑庆锋 来源:《新课程·上旬》2017年第12期 摘要:点子图是小学数学中经常能运用到的一种教学方法,一般是通过点子图的直观载 体帮助学生更好地理解、掌握有关知识点和计算。利用点子图则可以使知识点更加直观化,加深学生的理解,培养学生的逻辑思维能力,促进学生的全面发展。 关键词:小学数学;点子图;思维 教学是师生之间和学生之间交往互动与共同发展的过程。教师是教学过程的组织者和引导者。所以在教学中,教师要能够有创造性地设计教学过程,适当运用“点子图”,使得数学课本中的知识能够灵活、生动、直观地展现在学生面前,让学生能够更好地理解算理,也能够开拓学生的思路,让学生能够运用多元化的思维解决数学问题,有效提高学生理解问题的能力。 一、运用点子图,拓展学生的思维 小学生的思维比较活跃,也比较喜欢联想,但小学数学也是学生系统学习数学的开始阶段,很多课本上的知识,学生理解起来比较困难,所以教师可以运用点子图,拓展学生的思维。 1.帮助学生学会对称图形的画法 对称图像的特点是一般把一个图形沿着一条直线对折,直线两侧的图像能够完全重合,也是把一个图形绕着某一定点旋转一个角度360°/n(n为大于1的正整数)后,与初始的图形重合。小学生只是看着轴对称图形比较好看,但是很少学生会画这些图形,一般学生在作图的时候,会出现移偏、少移的现象。如果运用点子图,则可以帮助学生更好地进行分隔,进一步数清楚点和间隔,让学生更好掌握轴对称图形的特征。一般的题目是让学生在方格中画出要求的图形,那么在实际的教学过程中,教师可以让学生先理解两个点之间的间隔,在这个基础上,让学生找出间隔数相等的关键点,再进行连线。这样的教学过程比较简单,也符合了学生的认知特点。在教师的引导下,学生会慢慢融入课堂中,也可以培养学生学习数学的自信心。 此外,教师也可以运用点子图教给学生画一些基本的平面图形,例如长方形、正方形和三角形等,这些看似比较简单的点子图,可以帮助学生开拓思路,让学生有新的收获。 2.帮助学生构建问题解决的模型 在小学数学中要解决问题的很多,有的可以用加减法解决问题,有的是乘除法解决问题,还有的是运用四则运算解决问题,那么在这些计算中,可以运用点子图构建合理的模型,帮助学生建立起运算的“桥”,简化学生的运算。

小学生点子图,小学数学点子图教学文案

小学生点子图,小学数 学点子图

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小学数学课用点子图完整版

小学数学课用点子图 HEN system office room 【HEN16H-HENS2AHENS8Q8-HENH1688】

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小学生点子图-小学数学点子图

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小学数学课用点子图

小学数学课用点子图Revised on November 25, 2020

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小学数学课用点子图

……………………………………………………………最新资料推 荐………………………………………………… ··································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································································

点子图设计

我是小小设计师 ......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... .......................................... ........................................

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