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,*,小数的初步认识,大家好,我叫喜洋洋,我今年,10,岁了,身高,1.07,米,体重,54.5,千克,我喜欢运动,一口气可以跑完,5,圈操场呢,我也喜欢动脑筋,今天很高兴跟大家一起来学习。,10 1.07,5 54.5,整数,小数,一只鸵鸟蛋约重,1.5,千克,。,最高的动物是长颈鹿,它的高度可达,5.8,米,。,成年猎豹跑,100,米大约,3.45,秒,。,0.10,元,一张,12.12,元,一包,5.98,元,一瓶,小数点,.8,米,.45,秒,.5,千克,.10,元,.98,元,.60,元,整数部分,小数部分,5,3,1,0,12,5,0.10,元,一张,12.12,元,一包,5.98,元,一瓶,元,角,分,元,角,分,元,角,分,0,1,0,5,9,8,12,1,2,1,角,0.1,元,(),元,1,元,1,角,0.1,元,1,元,3,角,=,元,=,()元,6,角,=,元,=,()元,1,米,1,分米,0.1,米,0.6,米,6,分米,思考:胡老师身高,1,米,6,分米,写成小数是()米呢?,1.6,6,分米,=0.6,米,0.6,米,+1,米,=1.6,米,=,=,