平均数的再认识儿童教育演示ppt课件

,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,松林小学 数学组,平均数的再认识,课例教学研讨,聚焦问题设计，落实核心素养,1,v.,松林小学 数学组平均数的再认识课例教学研讨聚焦问题设,2,v.,2v.,根据有关规定，我国对,学龄前儿童,实行免票乘车,3,v.,根据有关规定，我国对学龄前儿童实行免票乘车3v.,4,v.,4v.,根据有关规定，我国对学龄前儿童实行免票乘车，即一名成年人可以携带一名身高不足,1.2m,的儿童免费乘车。,据统计，目前北京市,6,岁,男童身高的,平均值为,119.3cm,，女童身高,平均值为,118.7cm,。根据上面的信息解释免票线确定的合理性。,5,v.,根据有关规定，我国对学龄前儿童实行免票乘车，即一名成,6,v.,6v.,“少年好声音”歌唱比赛,7,v.,“少年好声音”歌唱比赛7v.,“少年好声音”歌唱比赛成绩统计表,8,v.,“少年好声音”歌唱比赛成绩统计表8v.,“少年好声音”歌唱比赛成绩统计表,96,95,90,96,97,89,9,v.,“少年好声音”歌唱比赛成绩统计表96959096,10,v.,10v.,选手,2,成绩情况统计图,平均分,89,94,11,v.,选手 2 成绩情况统计图平均分899411v.,选手,2,成绩情况统计图,平均分,12,v.,选手 2 成绩情况统计图平均分12v.,13,v.,13v.,14,v.,14v.,淘气调查了操场上做游戏的小朋友的年龄情况：,7,岁，,7,岁，,7,岁，,8,岁，,8,岁，,8,岁，,9,岁，,9,岁。,（,7+7+7+8+8+8+9+9+45,）,9,1089,12,（岁）答：这时做游戏的人的平均年龄是,12,岁。,(1),这时，老师也加入做游戏的队伍，他的年龄是,45,岁。,7.875,（岁）,（,7+7+7+8+8+8+9+9,）,8,638,(2),计算这些小朋友的平均年龄。,答：这些小朋友的平均年龄是,7.875,岁。,15,v.,淘气调查了操场上做游戏的小朋友的年龄情况：（7+7+7,