小数的意义课件

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,*,小数的意义,二六市小学,孙徐立,小数的意义二六市小学,1,0,10,20,30,40,50,60,70,80,90,1米,把1米平均分成10份。,1dm,1,10,m,0.1 m,()dm,()m,()m,3,3,10,0.3,()dm,()m,()m,7,7,10,0.7,一 位 小 数,分母是10的分数,可以写成,01020304050607080901米把1米平均分成10,2,0,10,20,30,40,50,60,70,80,90,1米,把1米平均分成100份。,1cm,1,100,m,0.01m,()cm,()m,()m,4,4,100,0.04,两 位 小 数,0,1,厘米,2,3,4,5,6,7,8,9,10,11,12,13,()cm,()m,()m,7,100,0.07,()cm,()m,12,100,()m,0.12,12,7,分母是100的分数,可以写成,01020304050607080901米把1米平均分成10,3,小数的意义课件,4,小数的意义课件,5,0,.,6,0,.,7,10,7,分数：,小数：,10,6,0,.,32,100,32,0.6里面有()个,10,1,0.7里面有()个,10,1,6,7,0.60.7107分数：小数：1060.32100320.6,6,1,0.1,10.1,7,1,0.1,0.01,10.10.01,8,1,0.1,0.01,0.001,10.10.010.001,9,1,0.1,0.01,0.001,0.01里面有,（）,个0.001。,10,10.10.010.0010.01里面有（）,10,1,0.1,0.01,0.001,0.1里面有,（）,个0.01。,10,10.10.010.0010.1里面有（）个,11,1,0.1,0.01,0.001,每相邻两个计数单位之间的进率都是,10,。,1里面有,（）,个0.1。,10,10.10.010.001每相邻两个计数单位之间的进率都是1,12,(),(),13,A、,3,分米 B 米 C,0.3,米 D,0.03,米,3,（）可以填几,1,（）,B,A,C,（）,米,选择题,1,2,0.5,5,10,A、3分米 B 米 C 0,14,小数的意义课件,15,