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,*,人民币的认识,简单的计算,复习,人民币的单位有哪些?,元,角,分,人民币按质地分为哪两类?,纸币和硬币,1,元()角,1,角()分,一张,2,角可以换()个,1,角,10,10,2,(),元,(),角,1,2,5,想:,1,元可以换成多少个,1,角?,1,元,2,角,=,()角,12,()元()角,6,4,()元()角,4,6,6,5,角,2,元,1,元,2,角,35,元,9,角,3,元,8,角,=,()角,26,角,=,()元()角,38,2,6,3,元,5,角,5.30,元,0.50,元,35,元,5,元,3,角,5,角,35.00,元,3.50,元,我能行,1.50,元,3.50,元,4.10,元,0.80,元,8,角,4,元,1,角,3,元,5,角,1,元,5,角,拿出买每件东西要付的人民币。,2,角,12.20,元,0.50,元,2,元,5,角,(),元,(),角,18.00,元,15.00,元,2.00,元,2.40,元,(),元,(),角,17,0,先填空,再摆出买每组东西要付的人民币。,复习,我们买东西要用,(),,人民币的单位有,(),。,人民币,元、角、分,1,元,=,()角,1,角,=,()分,10,角,=,()元,10,分,=,()角,80,分,=,()角,50,角,=,()元,10,10,1,8,1,5,13,角,=,()元()角,1,元,7,角,=,()角,1,3,17,复习,找朋友:,0.71,元,5.50,元,4.25,元,1.08,元,7.00,元,5,元,5,角,4,元,2,角,5,分,7,角,1,分,1,元零,8,分,7,元,每个,0.50,元,每个,0.80,元,每个,1.20,元,例,7,2,元,9,元,4,元,3,元,5,元,买的物品,一共多少钱,?,2+9=11(,元,),4+5=9(,元,),4+3+9=16(,元,),例,8,5,角,1,元,3,角,1,元,6,角,3,角,19,元,5,角,练习,(1),买一本练习本和一块橡皮,一共用,(),钱。,(2),买上面,3,种物品,一共用()钱。,(3),张刚买上面,3,种物品,付给售货员,2,元钱,应找回()钱。,5,角,9,角,1,元,1,角,练习,(,1,)买一袋大米和一桶油共要()钱。,(2),面条比大米便宜多少钱?,(3),李阿姨想买一袋大米、一桶油和一包糖,她带了,60,元,够吗?,59,元,18,元,20+39+5=64(,元,),因为:,60,元,64,元,所以:不够。,小博士智力挑战,妹妹原来有多少钱?,我有,20,元钱。,我再给你,4,元,我俩的钱就同样多了。,20+4+4=28,(元),答:妹妹原来有,28,元钱。,妹妹,再 见,