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1、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(),60,600,1.2,0.12,120,60,1.2,7.650.85=,及时训练:5.980.23 19.765.2,专项练习(一):,0.120.3=()3,(
2、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):,0.28)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=,