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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,2021/9/9,#,第,5,课时 谁,打电话时间长(,2,),第一单元,分数乘法,5.2 8,1.2,4,4 8,4,8,4,4 8,0,5.281.2,4.4,(元),答:每千克,4.4,元。,1.2kg,苹果,5.28,元,每千克多少钱?,探索新知,5.2 8,0.03,1,3,2,2,6,2 1,1,7,8,1 8,0,176,8.4,0.56,1,5 6,2,8,2 8 0,5,0,0,0,15,探索新知,0.120.25,6.30.42,41.626,0.48,15,1.6,基础练习,用竖式计算,并验算。,0.12,0.25,4,0,2,.,0,10,0,0,0,8,2,0,0,0,6.3,0.42,0,0,1,4,2,2,1,0,5,2,1,0,4 1.6,26,0,1,6,2 6,.,1 5,6,1 5,6,1.682.1,0.60.12,70.35,0.8,5,20,基础练习,1.68,2.1,0,.,8,0,.,1 68,0.6,0.12,0,60,0,5,7,0.35,0,2,0,0,7,0,0,森林医生。,0.6 3,0.7,0,6 3,9,0,27.9,4 5,27,9,6 2,0,9 0,0,0.4,0.5,0 .,4,8,0,0,0,0,0,8,0,基础练习,想一想,填一填。,4.25,2.25,64.9,4.4,基础练习,长方形的长是,1.2m,,面积是,0.6m,2,,它的宽是多少米?,0.61.2,0.5,(,m,),答:它的宽是,0.5,米。,基础练习,王阿姨买了,9.5kg,苹果,给售货员,30,块,找回,7.2,元。买苹果花了多少元?每千克苹果多少钱?,30,7.2=22.8,元,22.8,9.5=2.4,答:买,苹果花了,22.8,元,每千克苹果,2.4,元。,这节课你有什么收获?还有什么疑问吗?,课堂小结,谢 谢 观 看,!,
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