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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,R,五年级下册,折线统计图,第,1,课时 单式折线统计图,R五年级下册折线统计图第1课时 单式折线统计图,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,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引入新课,2,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,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,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,4,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,5,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,6,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,7,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,8,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,9,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,）参赛的队伍上升得最快是哪一年到哪一年？,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,10,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,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,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,12,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,13,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,14,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,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,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,16,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,17,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,18,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,19,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,20,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,21,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,22,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,23,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,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,24,
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