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第一讲 生活运用——图形等分
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_011.jpg?sign=1739679294-GIGa3cbNZ5Pdry6xvREu8X6RtzLLzimf-0-0d06951a9a480d2ded2990424e8ae128)
加油站
1 拍拍虎想给小朋友们分甜饼,怎么分才公平呢?请你根据人数,用画线的方式把甜饼等分吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_014.jpg?sign=1739679294-GbAde8QNI71Y5FNhG4KBKWhDxUAMhZdS-0-a57c688597596aaf0adf91b2b02b11e6)
2 小厨师请了很多人帮忙分甜饼,他们分的甜饼都是等分吗?如果不是等分,请你在( )中画“×”;如果是等分,请你在( )中画“√”,并说一说它叫几等分吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_015.jpg?sign=1739679294-YeSedI9bckRkIcoFfDRK5ybElK2sFYDp-0-9b267ba49ddaa97147d930e4ff580c2c)
3 拍拍虎要把三角形和正方形的饼干二等分,有几种不同的分法呢?请你用画线的方法把饼干二等分吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_016.jpg?sign=1739679294-jNt2fhugc2Y2H95vFMSaDF4hEN5ohbZc-0-3ac1bf120f292317299e54973484a860)
4 你能用两种方法把下面的圆柱体蛋糕二等分吗?快找到相似的物品,动手试一试,然后把你的方法画在蛋糕上吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_017.jpg?sign=1739679294-VpY3rFAimUMVXpZ2sw2o3m3FAsjE7ttd-0-954fcad3e43e5e02e5af1b2e9c1644ee)
5 小厨师想请你帮他把正方体蛋糕二等分,你能找到几种分法呢?用画线的方式分一分吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_018.jpg?sign=1739679294-mZlowE3FzkPjhLwAEEx3fWkrh8G1b4uH-0-516e0c2963fb8518399575271623160e)
能量站
1 这是麦芽分好的图形,它们有没有被等分呢?如果是等分,分别是几等分呢?请你先判断,再和家长说一说吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_019.jpg?sign=1739679294-r50HaWVZeW6O1GetX3qJN8MGuPGv69mN-0-4ae9f8772767a6768d33d1af0cabf88f)
2 麦芽想把长方形的纸二等分,请你也拿出几张纸试一试吧!完成后别忘了把你的方法画出来哦!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_020.jpg?sign=1739679294-i7kupHyEKnx8mR7K2YXf6zXbJqD2SgI0-0-79fd688aa3fbc79f3673a2e76ae74f7e)
3 现在有四位小朋友,拍拍虎需要把披萨四等分,你有几种方法呢?在下图中用画线的方式分一分吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_021.jpg?sign=1739679294-Mps3d69DsAwHwlw2QZPNgM8eBZW7LG8Q-0-a5ec9fe1165ab4375b416f18593a08f2)
4 小厨师要把蛋糕四等分,他可以怎么分呢?请你用画线的方式分一分吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_012.jpg?sign=1739679294-Vw3eoN2rwYXZHJiv1BCR1fFgYZqByMrL-0-0c663d4f234644e49fdd8ad13bf5c79c)
5 鹿一一帮大家分好了蛋糕,你知道这些蛋糕是几等分吗?请把答案写在下面的( )里吧!
![](https://epubservercos.yuewen.com/9AA365/17182042905218406/epubprivate/OEBPS/Images/image01_013.jpg?sign=1739679294-0JVi2UrG9EVoOJD1Llpmvwnz6r0n88I9-0-0ed8684630f6b2c012185f014ac0e3ec)