,子页,子页,子页,子页,子页题目,内容：,子页,子页,子页,子页,子页题目,内容：,子页,子页,子页,子页,子页题目,内容：,子页,子页,子页,子页,子页题目,内容：,内容：,子页题目,子页,子页,子页,子页,主页,子页,子页题目,子页,子页,子页,主页,子页,T,H,A,N,K,Y,O,U,北师大版 四年级下册 第一单元 小数的意义和加减法,第一课时,第二课时,在计数器上拨出,22.222,，并说一说其中的“,2,”分别表示多少。,2,2,2,2,2,个位,十位,百位,十分位,百分位,千分位,2,个,2,个,0.1,。,2,个,0.1,。,2,个,0.1,。,2,个,2,个,1,0.1,0.01,1.,在计数器上画一画，再填一填。,0.4,里面有（）个,0.1,0.025,里面有（）,个,0.001,。,14.24,中，个位上的,“,4,”,表示（）个（）；,百分位上的,“,4,”,表示（）个（）。,4,25,4,1,4,0.01,2.,看一看，填一填，说一说。,0.1,0.6,5,元,5.00,元,0.6,0.60,3.,不改变数的大小，下面各数中的哪些,“,0,”,可以,去掉？先涂一涂，再与同伴交流。,0.03,0.30,4.,把相等数的连起来。,3.90,42.040,34.0800,0.0600,3.20,3.200,0.06,3.09,42.04,34.8,5.,在 里填上适当的分数或小数。,6.,尝试完成下面的计算。,0.110,0.1100,0.11000,0.0110,0.01100,0.011000,0.00110,0.001100,0.0011000,你学到了什么？,