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空间几何
方格对称游戏
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P9_3796.jpg?sign=1739324273-8pFzwnAAVTn6Nh4IDrUJz1dE1O5Ka9Li-0-a501c762d123d3eb023822b06485bc07)
我学会了:
图形对称 根据定点画轴对称图形。
导语:引导孩子观察和比对图形,了解左右对称图形和上下对称图形的特征,认识生活中常见的对称图形,理解轴对称的概念。
游戏规则:根据轴对称的概念,完成相关游戏闯关。
游戏准备:笔、积木。
游戏闯关:
一、圈一圈
1. 找出左右对称的图形,并圈出来。
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P9_3659.jpg?sign=1739324273-VlYg5KehMVNOqugMG8lVLhN0JrOpdsI1-0-2dc6585ffef5b6285cbcb5d6fe3c6b1b)
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P9_5338.jpg?sign=1739324273-ZMEtCU3XjGxTv1g7q1knNw2NbWE6fof8-0-740218309e368555188b7b4e7e7b2c5c)
2. 找出上下对称的图形,并圈出来。
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P10_2102.jpg?sign=1739324273-RVFkFZmfRgsrreG50yGNsS07lI8GtGtu-0-02eb7cbddc0069bdaf5b6a28b2f2fe48)
上下对称图形就是图形沿一条横直线对折后两部分完全重合的图形。
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P10_12858.jpg?sign=1739324273-tc1ZxiUIVhmy88qJOmTo6kuRmA2IdBzz-0-1a0afcb458fb92213e7b257e907011b9)
二、摆一摆
请用积木摆出与下面图形相对称的图形(黑色的粗直线为对称轴)。
1.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P11_2254.jpg?sign=1739324273-5ZaLVHF3n00XrorYkdQxBAuah3ur2Toq-0-396c7a11a10512c262fa658d42661c07)
2.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P12_2642.jpg?sign=1739324273-kBrHpOeFCZ8Q0UY138zczAKna6Yrqsk1-0-160fd89709f70b1af3a9b5909bf11352)
三、画一画
请画出与下列图形相对称的图形(绿色格子为对称轴)。
1.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P13_3256.jpg?sign=1739324273-ANOB7G5YoHdTKfAEtlIEP4NDwdTGZLFn-0-f684be6d6e38f1676cbdc3fd8cd8b396)
2.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P13_3414.jpg?sign=1739324273-ZYhMXGQ5TxAAxzDGFi3PQ9k7lk8N56Js-0-e8e85d66e9dc40b7d8ead471476fcf5f)
3.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P13_3562.jpg?sign=1739324273-PaPuqOwE4QrFz7DoGJtu08zfke4LNPq8-0-822728c0182435d2cddae22bf8d5a55a)
可以先找出图形顶点所在的位置,再将顶点相连。
4.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P14_3936.jpg?sign=1739324273-EToAJsaYwCxs6XXfGix49jV79aoqXrCV-0-51a5ef58db881e8051b2e2225c7c8591)
5.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P14_4282.jpg?sign=1739324273-uNkmk1INsLrCijHakKe226PWp2jcOE05-0-ec0a4f1f0b0ab2f237356fb159a66c79)
四、智慧加油站
1.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P15_5003.jpg?sign=1739324273-kyv0mOwQwghWOylzpnxp9Ktg1FqeQk4H-0-b76bd3b8ec975320d41dfd03f26d7869)
2.
![](https://epubservercos.yuewen.com/E16995/26580819309048106/epubprivate/OEBPS/Images/Figure-P15_4642.jpg?sign=1739324273-7PM3QuBcIv5iZtHkC1w0PWaEUFhgAByj-0-d89fddd679ec5ca31da5b204dedec6af)