2.复式折线统计图的认识和应用.ppt

1、R五年级下册,第2课时 复式折线统计图,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,条形统计图和折线统计图都能清楚地表示（ ）的多少；折线统计图不仅能表示数量的多少，还可以表示数量的（ ）。,新课导入,数量,变化趋势,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,中国已经进入老龄化社会，尤其是上海，早在20世纪70年代末就进入了老龄化。出生人口数和死亡人口数是重要的影响因素,探究新知,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

2、元成才路,状元成才路,下面是一个小组调查的20012010年上海的出生人口数和死亡人口数。并且制作了折线统计图，我们一起来看一看。,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,6.20,5.73,8.09,8.25,8.12,10.08,9.67,9.23,5.76,10.02,2001-2010年上海出生人口数统计图,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,2001-2010年上海死亡人口数统计图,9.67,10.07,9.65,10.23,9.80,10.22

3、,10.70,10.67,9.34,10.87,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,这样看着，不太容易比较出生人口数和死亡人口数的情况啊！,有复式条形统计图，也应该有复式折线统计图吧？,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,6.20,5.73,8.09,8.25,8.12,10.08,9.67,9.23,5.76,10.02,9.67,10.07,9.65,10.23,9.80,10.22,10.70,10.67,9.34,10.87,2001-2010

4、年上海出生人口和死亡人口数统计图,出生人口数,死亡人口数,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,单式折线统计图有局限性，复式折线统计图可以更方便地比较出两组数据的变化趋势。,复式折线统计图与单式折线统计图有什么不同？,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,问题1：观察复式折线统计图，你能说说上海出生人口数、死亡人口数的变化趋势吗？,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,问题2：每年的出生

5、人口数和死亡人口数之间存在着什么关系？,出生人口数和死亡人口数之差是人口自然增长数。上海人口从1995年开始负增长。,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,问题3：结合全国2001-2010年出生人口数和死亡人口数统计表，你能发现什么共同的规律吗？,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,1.下面是某市2015年4月4日至4月10日每天最高气温和最低气温的记录表。请根据表中的数据完成折线统计图，再回答问题。,达标检测,状元成才路,状元成才路,状元成才路,状元

6、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,某市2015年4月4日至4月10日最高气温和最低气温统计图,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,（1）这几天中哪天的温差最大？哪天的温差最小？,4月8日这天温差最大，4月6日这天温差最小。,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,（2）这几天的最高气温是怎样变化的？最低气温呢？,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,2.

7、某商场甲、乙两种品牌彩电2015年销售情况统计如下表。,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,某商场甲、乙两种品牌彩电2015年销售情况统计图,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,（1）（ ）种品牌的彩电全年总销量最高。,甲,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,（2）甲种品牌的彩电从（ ）月到（ ）月的销售量上升最多；乙种品牌的彩电从（ ）月到（ ）月的销售量上升最多。,1,2,10

8、,11,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,（3）从8月到9月，（ ）种品牌的彩电呈下降趋势。,甲,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,巩固提升,下面是某地区 715 岁男生、女生平均身高统计图。,请你根据表中的数据，画出折线统计图。,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,某地区 715 岁男生、女生平均身高统计图,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

9、路,状元成才路,状元成才路,状元成才路,(1)比较男生和女生的身高变化，你能得出什么结论?,(2)把你的身高与平均值比较，你有什么想法吗?,79 岁时男生身高增长快，913 岁时女生身高增长较快，1315 岁时，男生增长速度最快，增长幅度也最大。,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,课堂小结,复式折线统计图,复式折线统计图的制作方法：与单式折线统计图的制作方法基本相同，只是用不同的图例表示不同的量。,复式折线统计图的特点：不但能表示出两组数据数量的增减变化情况，还可以比较两组数据的变化趋势。,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,课后作业,1. 课本练习二十六，第4题、第7题； 2. 完成练习册本课时的习题。,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,声 明 本文件仅用