文具店课件..ppt

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,*,1:,一个书包,25,元,买,4,个要多少钱,?,254,“,254”,表示,4,个,25,是多少,?,2:,一盒彩笔,2,元,买,10,盒要多少钱,?,210,“,210”,表示,10,个,2,是多少,?,口答算式意义,135,20 7,2003,3006,照样子写,如：,2+2+2+2=8,可以写成,24=8,那 么：,0.2+0.2+0.2+0.2=0.8,可以写成,0.24=0.8,买文具,文 具 店,3,号柜,买,4,块,要多少钱？,0.2,元,0.2,元,0.2,元,0.2,元,0.8,0.2,+,0.2+0.2+0.2+0.2=,0.2,0.2,0.8,（元）,0.2,0.2,0.2,0.2,0.2,0.8,0.24=?,0.2,元,=2,角,24=8,（角）,8,角,=0.8,元,0.24=0.8,（元）,做一件儿童服装用布,0.3,米，做这样的,3,套衣服需要布料多少米？,0.33=?,涂一涂，填一填。,0.0110=,（）,0.1,涂一涂，填一填。,0.0150=,（）,0.5,涂一涂，填一填。,0.01100=,（）,1,加油哦！,0.123,0.242,0.43,0.33,0.01,10,0.01,50,0.5,0.1,4,6,0.4,6,3,2,0.3,2,做一做,6,0.6,24,2.4,1,个日记本,0.8,元，丁丁要买,3,个这样的日记本，需要多少钱呢？,三,解决问题,1,一支铅笔,0.2,元,小丽买了,6,支送给幼,儿园的小妹妹,她一共花了多少钱,?,2,一种果汁,每瓶售价,1.2,元,.,小明一下买,了,3,瓶,一共需要多少钱,?,如果买,10,瓶呢,?,