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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,*,小数的意义,青岛版四年级数学上册,1.65,千克,0.06,千克,0.58,读作：零点五八,读作：,三点五,读作：,四十一点四七,41.47,3.5,根据第一个读法读出下面两个小数,1.8,5.63,12.378,读作：一点八,读作：五点六三,读作：十二点三七八,小结：小数的读法，小数部分要依次读出每个数字，中间有几个零，就依次读出几个零，整数部分就按整数的读法来读。,1,、读出下面的小数。,100.042 50.2009 1.0206,0.1,0.3,0.5,一位小数,0.01,0.25,0.03,二位小数,0.001,0.365,三位小数,0.1 0.3 0.5,0.001 0.365,0.01 0.03 0.25,用来表示十分之几,百分之几,千分之几,的数，叫做小数。,0.3,里面有,(),个,0.5,里面有,(),个,0.07,里面有,(),个,0.09,里面有,(),个,计数单位,:,0.01,0.001,5,3,7,9,记作,:,百分之一,千分之一,十分之一,0.1,0.7,里面有,(),个,0.1,；（）里面,有,7,个,0.01.,8,个,(),是,0.8,；,10,个,0.1,是（）,.,0.497,是由,(),个,0.1,；,(),个,0.01,和,(),个,0.001,组成,.,7,0.07,0.1,1,4,9,7,0.3,0.45,0.238,写出箭头所指的小数。,0,1,2,3,0.4,(,),1.3,(),(),0.9,1.8,2.6,5.6,5.7,5.8,2.25,2.26,2.27,5.66,5.77,5.85,5.9,2.256,2.267,在下面的 中填数。,挑战自我,2.276,2.28,祝同学们学习愉快,
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