资源描述
单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,状元成才路,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,R,五年级下册,折线统计图,第,1,课时 单式折线统计图,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,引入新课,状元成才路,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,同学们，你们喜欢科技吗？你们都知道哪些科技比赛？,状元成才路,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,根据收集到的从,2006,年到,2012,年参赛队伍的数据，制成如下统计表。,中国青少年机器人大赛参赛队伍统计表,时间,/,年,2006,2007,2008,2009,2010,2011,2012,参赛队伍,/,支,426,394,468,454,489,499,519,根据这一统计表，你能获得哪些数学信息？,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,状元成才路,状元成才路,为了更好地进行分析，我们可以用学过的,(),统计图表示。,条形,状元成才路,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,这是我们以前学过的条形统计图，,它有什么优点呢？,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,如果我们只想分析变化情况，你觉得可以怎样绘制统计图更简单呢？,想一想,状元成才路,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,390,0,400,410,420,430,440,450,460,470,480,490,500,510,520,2006,2007,2008,2009,2010,2011,2012,年份,参赛队伍,/,支,426,394,468,454,489,499,519,这种统计图叫做,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,390,0,400,410,420,430,440,450,460,470,480,490,500,510,520,2006,2007,2008,2009,2010,2011,2012,年份,参赛队伍,/,支,426,394,468,454,489,499,519,（,1,）这两幅统计图有什么相同点？,条形统计图和折线统计图都能表示数量的多少。,状元成才路,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,390,0,400,410,420,430,440,450,460,470,480,490,500,510,520,2006,2007,2008,2009,2010,2011,2012,年份,参赛队伍,/,支,426,394,468,454,489,499,519,（,2,）参赛的队伍上升最快得是哪一年到哪一年？,下降得最快呢？,上升最快是,20072008,年，下降最快是,20062007,年。,状元成才路,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,390,0,400,410,420,430,440,450,460,470,480,490,500,510,520,2006,2007,2008,2009,2010,2011,2012,年份,参赛队伍,/,支,426,394,468,454,489,499,519,（,3,）你发现折线统计图有什么特点？,特点：,1.,反映数量的多少；,2.,清楚的反映数据的增减变化情况。,状元成才路,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,390,0,400,410,420,430,440,450,460,470,480,490,500,510,520,2006,2007,2008,2009,2010,2011,2012,年份,参赛队伍,/,支,426,394,468,454,489,499,519,（,4,）中国青少年机器人大赛参赛队伍的数量有什么变化？,你能预测一下,2013,年参赛的队伍数量可能会是多少？,你是怎么想的？,参赛队伍整体呈上升趋势,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,妈妈记录了陈东,0-10,岁的身高，根据下表中的数据绘制折线统计图。,年龄,0,1,2,3,4,5,6,7,8,9,10,身高,/cm,50,74,85,93,101,108,115,120,130,135,141,做一做,状元成才路,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,50,0,60,70,80,90,100,110,120,130,140,150,1,2,3,4,5,6,7,年龄,身高,/cm,8,9,10,11,74,85,93,101,108,115,120,130,135,141,陈东,0-10,岁身高情况统计图,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,从画好的折线图中找一找，填一填。,1.,陈东从（）岁到（）岁时长得最快，长了（）,厘米。,2.,陈东身高,120,厘米时是（）岁。,3.,陈东,10,岁时身高是（）厘米，,请你猜想一下陈东,12,岁时的身高是多少？,0,1,24,7,141,状元成才路,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.,王叔叔连续喝下,2,瓶啤酒后，每隔,0.5,小时测量一次他血液中的酒精含量，得到的数据见下表。,时间,/,h,0.5,1,1.5,2,2.5,3,3.5,4,酒精含量,(,mg/100ml,),68,82,82,78,69,68,58,56,时间,/,h,4.5,5,5.5,6,6.5,7,7.5,8,酒精含量,(,mg/100ml,),50,41,39,38,38,37,35,30,达标检测,状元成才路,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,）,王叔叔喝啤酒,5,小时后血液中的酒精含量是（,）毫克,/100,毫升。,（,2,）王叔叔血液中的酒精含量从喝啤酒后（,）小时到（,）小时增长最快。,41,0.5,1,根据表中的数据自己在纸上画出折线统计图，然后回答下列问题：,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,2.,看图填空。,甲城,2015,年的月平均气温变化情况统计图,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,）这一年中，甲城（,）月的月平均气温最低，（,）月的月平均气温最高。,（,2,）（,）月和（,）月这两个月间的月平均气温上升得最快。,5,6,7,、,8,1,状元成才路,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,）（,）月和（,）月这两个月间的月平均气温下降得最快。,（,4,）,这幅图描述的是：,这一年中，甲城的月平均气温呈,(),的变化趋势。,10,11,由低升高再降低,状元成才路,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,（,5,）,7,月份的月平均气温比,4,月份的高（,）。,15,状元成才路,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,）根据统计图提供的信息，你觉得甲城可能是下面的哪座城市？（,）,A.,哈尔滨,B.,武汉,C.,广州,B,状元成才路,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,390,0,400,410,420,430,440,450,460,470,480,490,500,510,520,2006,2007,2008,2009,2010,2011,2012,年份,参赛队伍,/,支,426,394,468,454,489,499,519,课堂小结,折线统计图不但可以表示数量的多少，而且能够清楚地表示出数量的增减变化情况。,画折线统计图的步骤：,1.,画出横纵轴，确定间距；,2.,描点，标明数据；,3.,连线,.,状元成才路,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.,课本练习二十六，第,1,题、第,2,题；,2.,完成练习册本课时的习题。,课后作业,状元成才路,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,本文件仅用于个人学习、研究或欣赏，以及其他非商业性或非盈利性用途，但同时应遵守著作权法及其他相关法律的规定，不得侵犯本司及相关权利人的合法权利。,除此以外，将本文件任何内容用于其他用途时，应获得授权，如发现未经授权用于商业或盈利用途将追加侵权者的法律责任。,武汉天成贵龙文化传播有限公司,湖北山河律师事务所,
展开阅读全文