1、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,除数是两位数的除法,口算除法,景东县民族小学 张兴宏,填空,1.,20,4=80,表示()个()是()。,2.,70,3=210,表示()个,(,),是,(,),。,3.,90,里面有()个十。,4.,280,里面有()个十。,4,28,20,80,9,210,70,3,口算,20,4=,70,7=,30,5=,180,6=,42,7=,63,9=,6,30,5,10,6,7,60,5=,81,9=,9,12,(,1,)有,80,个气球。,可以分给几个班?,例,1,(,1,)有,80,个气球,可以分给几个班?,
2、例,1,80,20=4,(个),答:可以分给,4,个班。,40,20=,60,30=,90,30=,20,10=,2,2,2,3,83,20,4,想一想,4,80,19,(,80,),(,20,),60,20=,62,20,93,30,80,40=,80,38,90,30=,3,3,(,60,),3,3,(,90,),2,2,(,40,),(,2,)有,120,面彩旗。可以分给几个班?,120,30=4,(个),答:可以分给,4,个班。,150,30=,240,80=,540,90=,350,50=,5,3,7,6,122,30,4,想一想:,(,120,),120,28,4,(,30,),180,30=,184,30,240,37,420,60=,420,58,240,40=,6,6,(,180,),6,6,(,40,),7,7,(,60,),1.,口算下列各题。,2.,3.,4.,谢谢 再会!,