专项提升卷:长度单位 含答案
专项提升卷3长度单位的认识与应用及多边形的认识与拼组提升点1:正确区分长度单位1.在( )里填上合适的长度单位。学生卡的厚度约是1( )体温计的长度大约是1( )飞飞家到学校的距离约是2( )2.选择。(把正确答案的序号填在括号里)(1)王老师迈一步大约50( )。①厘米②千米③分米(2)一支圆珠笔长约2( )。①厘米②毫米③分米(3)手掌的长大约是1( )。①厘米②毫米③分米(4)《典中点》的厚度大约是5( )。①厘米②毫米③分米提升点2:长度单位间的进率1/53.判断。(对的打“√”,错的打“×”)(1)长度单位之间的进率都是10。( )(2)两个城市之间的铁路长23千米...
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