三年级数学下册七《数据的整理和表示》快乐成长一课三练北师大版.doc

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1、1快乐成长淘淘猫导学基础碰碰车1.老师为同学们买来花种,同学们将其精心培育成花朵来装点教室,小丽为花朵的颜色做了统计:黄花 5 朵,红花 7 朵,绿花 9 朵,紫花 8 朵。(1)请根据以上数据完成下表。颜色 黄花 红花 绿花 紫花数量(朵)(2)教室要将数量最多的花放在图书角,请问这是什么颜色的花?(3)科学老师建议将数量最少的花制成标本,请问这是什么颜色的花?(4)画线段图整理数据。升级跷跷板2根据所给数据制作统计表,并回答问题。猎豹每分跑 500 米,猫每分跑 180 米,鸵鸟每分跑 360 米,大象每分跑 70 米。(1)鸵鸟比哪种动物跑得快?(2)鸵鸟比哪种动物跑得慢?(3)哪种动物

2、跑得最快?(4)哪种动物跑得最慢 7智慧摩天轮3.下面是根据三(3)班同学最喜欢的球类运动画的图。2(1)根据上图填一填。种类 足球 乒乓球 排球 羽毛球 篮球人数(2)三(3)班一共有多少名学生?(3)喜欢什么球的人数最多?喜欢什么球的人数最少?(4)你还能提出什么数学问题?(5)调查自己班同学最喜欢的球类运动,并作出图来,与三(3)班同学最喜欢的球类运动对比,两个班同学最喜欢的球类运动有什么不同?答案与点拨1(1)5 7 9 8(2)教室要将绿花放在图书角,因为绿花的数量最多。(3)将黄花制成标本,因为黄花的数量最少。2(1)鸵鸟比猫和大象跑得快。(2)鸵鸟比猎豹跑得慢。(3)猎豹跑得最快。(4)大象跑得最慢。3(1)12 6 3 5 8(2)34 名(3)足球排球3

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