小学三年级下册(三下)北师大数学期末测试卷.1
期末测试(1)时间:90分钟 满分:100分 分数: 一、填空题。(17分)1.用分数表示下图中的涂色部分。 ( )( ) ( )( )2.在括号里填上合适的单位名称。一袋大米重20( )。3粒花生米重1( )。5个苹果重1( )。40个三年级的学生体重大约是1( )。3.在一个长10分米、宽8分米的长方形中剪一个最大的正方形,这个正方形的面积是( )平方分米。4.1袋洗衣粉重500克,6袋这样的洗衣粉重( )千克。5.一根铁丝围成一个长方形,它的宽是8厘米,长是12厘米,它的面积是( )平方厘米。如果把这根铁丝围成正方形,它的面积是( )平方厘米。6.右图...
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