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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=1739688709-gkU3mF2Ob62urEiWGvyVGpD3XLCV82Pv-0-e9e1bc6ba31f41ce694b2c50b1399b69)
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=1739688709-JnSo73qQ4LPTGX8IOfIXqqcW2PKQ4DKy-0-7b394c645ae8d18c230c7b006023ed79)
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=1739688709-e1QM5kK4NN3RoGHNmBBV1XNHr6ncNwX9-0-c45384bc63c7821a24eee19585fcbc55)
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=1739688709-KhxMK1yzf4GtTXGoh7tmpCF5gcPm8TmM-0-ee1eecbca30db820ff3a5a1e1c1da6c5)
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=1739688709-10itCUM6x1xV8voztddioIsAHlBEVKqv-0-2dfac32baf8066a7a06d2318a7fc77f7)
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=1739688709-lQXyVLCXhoubln81v1fOqWR5X2w2kYY9-0-ad220db31e9c595b7626ded3cfc39344)
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=1739688709-Z5Ki9nRxRxYh4BAgSm6oSIGSg4s5tOKB-0-4d2705d34135c7656eaa7923aa54a8ec)
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=1739688709-Hm7qxBQY1bRIp6Ab7cZrLvp4FTDyoRPk-0-c8c79c83599ce33094921d8626d9099c)
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=1739688709-iuXqCQi7Qa49AI4NQUndbSA9bdRTgGLL-0-3adacbd97d79cce18a30076316442211)
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=1739688709-qalTaARhwNfyyv8J9DIiyiOZLo7HA3GL-0-9014784ad0ad4e3af805978daebfebfa)
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=1739688709-zux1odECyshEt2JQWOzkpU4h35p4NH6A-0-f004b982112602239e5d327451fa7f3d)