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,*,课件设计:张俊锋,小数乘整数,第,2,课时,1.,说出下列各式表式的意思,4.26,1.113,0.224,基本练习,基本练习,2,.不计算,,你,能说出下面各题的积应有几位小数吗?为什么,?,0.37,5,0.26,16,2.6,4,21.32,9,1.08,7,3,.根据125,37=4625,,说,出下面几题的,得,数。,12.5,37=,0.125,37=,125,3.7=,1.25,37=,125,0.37=,基本练习,462.5,46.25,4.625,462.5,46.25,4,.,放,风筝(连线)。(,P4 4,题),基本练习,1,.,计算,。(,P5 7,题),巩固练习,2,.,列竖式计算。,巩固练习,3.416=,170.8=,7.230=,502.8=,3,.,计算,下列图形的面积。(,P5 6,题),巩固练习,4,.,一辆汽车每千米耗油,0.098,升。照这样计算,行,61km,耗油多少升?,巩固练习,课堂作业,1,.,列竖式计算。,234.4=,27.835=,0.2540=,4.1518=,2,.,P5 9.10.11,题。,课堂作业,