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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,*,小数的除法,五年级第一学期,口算训练:,6.37=,1.82=,4.86=,7.28=,0.549=,0.4515=,2 4=,72.7272=,0.9,0.9,0.8,0.9,0.06,0.03,0.5,1.01,口答:下列各数去掉小数点各扩大了多少倍?,1.2,0.18,0.125,4.37,3.085,9.6,填空:,(1),6米=()分米=()厘米,(2),12厘米=()分米=()米,(3),6000,1200=600(),=()12=6(),60,600,1.2,0.12,120,60,1.2,例1,把一块6米长的布,剪成1.2米长的一段,可以剪多少段?,0,1,2,3,4,5,6,M,专项练习(一):,0.120.3=()3,(1),1.2,专项练习(一):,0.270.2=()2,(2),2.7,专项练习(一):,93.51.7=()17,(3),935,专项练习(一):,5.8213.696,=()3696,(4),5821,2.80.007,=()7,专项练习(一):,(5),2800,专项练习(一):,760.025,=()25,(6),76000,专项练习(二):,5.281,),3.696,(1),专项练习(二):,5.28,),369.6,(2),0,专项练习(二):,5.28,),3.696,(3),.,对比练习:,(1)36.180.18=,(2)361.80.18=,(3)36180.18=,(4)3.6180.18=,201,2010,20100,20.1,巩固练习:,看除式把除数转化成整数,在计算:,(1),0.0320.08,=,=,3.2 8,0.4,(2),0.160.08,=,=,16 8,2,(3),5.40.09,=,=,540 9,60,(4),40.08,=,=,400 8,50,口算训练:,0.810.27=,7.2 0.6 =,10.8100=,0.1080.1=,3,12,0.108,1.08,口算训练:,1.6 0.8 =,0.480.4 =,0.240.12=,7.2 0.9 =,2,1.2,2,8,25.2 0.36=,列竖式计算:,0.0910.5=,9.1 0.5=,谢谢观赏,
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