除数是小数的除法课件(苏教版国标本小学数学五年级上册).ppt

除数是小数的除法,浦口实小 邱婷,猜一猜：,身穿绿衣裳，肚里水汪汪，生的子儿多，个个黑脸膛。,每千克 2.4元,这个西瓜9.36元,每千克0.86元,这个西瓜重多少千克？,再买一些苹果,这些苹果3.44元,每千克 2.4元,每千克0.86元,这些苹果重多少千克？,在括号里填上适当的数。,0.120.3=（）3 6.720.28=（）280.120.03=（）3 0.6720.28=（）28,1.2,12,672,67.2,口算下面各题：,2.62=0.497=0.246=7.20.9=2.60.2=0.490.7=0.240.06=0.720.9=,1.3,13,0.07,0.7,0.04,4,8,0.8,下面的计算对吗？把不对的改正过来。,竖式计算：（先估计，再计算）,4.830.7 0.7561.8 0.1960.56,0.30.7=3.50.7=0.10.01=0.451.5=1.360.01=0.50.5=1000.6=03.48=3.510=3.61=0.213=0.245=4.51=0.085.2=1.20.5=00.5=4.20.2=5.60.7=4.20.2=5.60.07=,比一比，赛一赛：,1,0.09,136,60,0.35,0.07,4.5,0.6,0.84,21,5,0.3,0.25,0,3.6,1.2,5.28,0,8,80,10.08平方米,你能求出阳台的面积吗？,