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0.01 。,2个0.001 。,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,
