二年级数学下册八《调查与记录》1评选吉祥物课件北师大版.ppt

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1、评选吉祥物,根据整理的结果填一填。与同伴说一说。,1.喜欢 的有( )人,喜欢 的有( )人,喜欢 的有( ) 人,喜欢 的有( )人。,8,6,11,13,2.可以选( )作为学校运动会的吉祥物。,像我们刚才那样把喜欢每种动物的,同学人数数出来并填写下来,这个过程其实就是在进行统计。,现在我们来回顾一下,刚才在评选吉祥物的时候,我们是先( )。 调查什么,然后把调查结果进行( )。 整理之后经过分析知道喜欢熊猫的人最多,所以选熊猫作为吉祥物。,调查,整理,收集、调查数据整理数据分析数据,1.,(1)妙想调查了( )名同学。,(2)喜欢( )的最多,喜欢( )的最少。,30,相声,杂技,9+8

2、6+7=30,妙想班的同学应该怎样准备节目?,4,6,5,5,1,2,2,1,健 康 饮 食 日,(1)奇思调查了( )名同学。,(2)喜欢( )的最多,喜欢( )的最少。,(3)说一说,在饮食方面,你有什么建议?,15,肉菜,吃菜,下面是奇思的调查记录。,均衡饮食很重要, 蔬菜水果少不了, 大豆牛奶天天有, 鱼肉蛋禽适量好, 合理饮食儿歌唱, 新鲜洁净要记牢。,健康饮食儿歌,这节课你学到了什么?,在做决定之前,应该先进行( ),并且知道了怎样进行调查。 然后我们把调查的结果进行( ),整理的时候注意要分类,这样才能把结果看得更清楚,然后根据整理的调查结果做出分析,得出最合理的决定。,调查,整理,

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