吨的认识123.ppt
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吨的认识123.ppt
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吨的认识,一只鹦鹉大约重150(),一只小鸡大约重100(),一只东北虎大约重350(),一头大象约重5(),克,克,千克,吨,一、复习导入,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,二、探索新知,计量较重的或大宗物品的质量,通常用吨(t)作单位。
1吨有多重呢?
2吨,60吨,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,10个100千克是1000千克。
每袋大米重100千克,10袋大米重多少千克?
1吨=1000千克,感受1吨有多重,1、小组内互相说一说自己的体重;2、同桌之间背一背,感受1个同学的重量。
状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,10名这样重的同学大约重多少千克?
40名这样重的同学大约重多少千克?
10名这样重的同学约重250千克。
40名这样重的同学约重1吨!
25千克,说说日常生活中什么东西可以用吨作单位,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,4吨()千克,3000千克()吨,想:
1吨是1000千克,4吨是()个1000千克。
想:
1000千克是1吨,3000千克里面有()个1000千克。
4,4000,3,3,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,一只大象重6000千克,也就是()吨。
一辆卡车载质量5吨,也就是()千克。
6,5000,1、把动物和合适的体重连起来。
50吨80千克6千克4吨,三、巩固提高,基础巩固,2、单位换算我能行。
3吨=()千克1000千克=()吨2吨-1000千克=()千克3吨+2000千克=()吨3吨600千克=()千克1吨+200千克=()千克,3000,1,1000,5,3600,1200,基础巩固,3、我是小法官。
5吨棉花比5吨的铁轻。
()小明的身高是13分米,体重是34吨。
()克、千克、吨都是质量单位,相邻单位间的进率都是1000。
()2吨比1999千克多1千克。
(),4、读一读下面的日记,把错误的改正过来。
我的早晨2018年9月12日晴今天早上6:
30,我就起了床,很快地刷了牙、洗了脸,然后吃了一个70千克的鸡蛋,喝了一杯大约250克的牛奶,就背起2克重的书包匆匆忙忙上学去,走着走着,突然听到有人叫我的名字,我一看,发现原来是我们班体重只有20吨的瘦个子李林。
于是我和他边走边聊,正准备过公路时,不巧一辆载满6千克水泥的大货车开过来了,我们只好收住脚步,让车先行。
等我们跑到教室,其他同学早就在读书了。
状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,四、课堂小结,计量较重的或大宗物品的质量,通常用吨(t)作单位。
1吨=1000千克,
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- 认识 123