人教版二年级数学上册第一单元测试
人教版第一单元测试卷可下载 一、填一填。绿色圃中小学教育网http://www.Lspjy.com1.测量铅笔的长度用( )作单位比较合适;测量床的长度用( )作单位比较合适。2. 油画棒长( )厘米。3.2米=( )厘米 300厘米=( )米30厘米-6厘米=( )厘米 45厘米+20厘米=( )厘米4.甜甜的身高是90厘米,再长( )厘米,她的身高就是1米。二、辨一辨。1.下面哪些图形是线段?在下面画“√”。2.下面图形中各有几条线段? 三、在括号里填上合适的长度单位。五、做一做。1.量出下面线段的长度。2.画一条5厘米长的线段。 六、解决问题。1.你知...
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