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【320932】五年级数学下册第一单元观察物体(三)检测卷(基础卷)(含答案)人教版

时间:2025-01-08 18:58:17 作者: 字数:7187字
简介:

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 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> Shape1

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密★启用前

2021-2022学年

五年级数学下册第一单元观察物体(三)检测卷(基础卷)


考试时间:60分钟; <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 满分:102


班级: 姓名 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 成绩:

注意事项:

1.答题前填写好自己的班级、姓名等信息。

2.请将答案正确填写在答题区域,注意书写工整。


卷面(2分)。我能做到书写端正,格式正确,卷面整洁

[来源:**]

一、认真填一填。(每空1分,共25分)

1.如下图 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,在括号里填写ABCD

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

从正面看是图(1)的立体图形是(________);从左 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 面看是图(2)的立体图形是(________)。

2.用小正方体拼一 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 个立体图形,从左面看是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从上面看是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 。要搭成这样的立体图形,最少需要__________个小正方体,最多需要__________个小正方体。

3.从(________)面看到的图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

4.观察 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 是从(______)面看到的图形, <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 是从(______)面看到的图形,从左面看到的图形是(______)。

5.下面的图形分别从什么位置看到的?

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

________) (________) (________

6.下图中的几 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 何体是由(______)个小正方体摆成的。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

7.由一些小正方体摆成的立体图形,从左面看是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从上面看是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,这个立体图形至少是由(________)个小正方体拼成的。

8.有一个用正方体木块搭成的立体图形,从上面看到的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从左面看到的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 。要搭成这样的立体图形,最少用(________)个正方体木块,最多用(________)个正方体木块。

9.如图是一个立体图形从上面、右面看的形状,要搭这样的立体图形,最少要用(______)个小正方体,最多用(______)个小正方体。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

[来源:学科网]



10.下面是用小正方体搭建的一些几何体。[来源:学。科。网]

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

1)从左面看是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 的图形有__________

2)从正面看,图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 的有__________

3)从左面看,图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 的有__________

4)从上面看,图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 的有__________

11.一个立体图形,从正面看到的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从左面看到的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,搭这样一个立体图形至少要用(________)个小正方体,最多可以用(________)个小正方体。

12.一个立体图形,从上面看的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从正面看的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,搭这样的立体图形,最少要(________)个小正方体,最多可以有(________)个小正方体。

二、仔细判一判。(对的画√,错的画X,每题1分,共5分)

1.从上面观察 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 所看到的图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 。(______

2.在没有障碍物遮挡的情况下,站得越高,望得越远。(______

3.从正面 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 看到是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 的图形,一定是由3个小正方体拼成的。(________


4.观察下面的立体图形,从左面看到的图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 。(________

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

5.同一个几何体从不同的方向看到的图形不可能相同。(______

三、用心选一选。(将正确的选项填在括号内,每题1分,共5分)

1.从左面观察,看到的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 形状是相同图形的是( )。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

A.①④ B.②③ C.①③ D.③ ④

2.一个立体图形,从正面看到的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从左面看是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,要搭成这样的立体图形,至少要用( )个小正方体。

A2 B3 C4 D5

3.一个立体图形,从上面看到的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从正面看到的形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,搭成这样的立体图形最多可以用( )个立方体。

A5 B6 C7

4.淘气用5个小立方体搭成一个物体,从左面观察形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从上面观察形状是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,下面( <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> )是淘气摆的。

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

5 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 这个立体图形从左面看到的形状是( )。

A <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> B <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> C <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

四、动手操作。(共27分)

1(本题6)它们各看到哪个图形?

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>
2
(本题7)分别画出从正面、上面、左面看到的立体图形的形状。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>





3(本题7)分别画出从正面、从上面、 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 从左面看到的立体图形的形状。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

4(本题7)从不同方向看下面的物体,分别 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 是什么样子?在方格纸上画一画。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

正面 左面 上面

五、解决问题。(共38分)

1(本题6)想一想,搭一搭。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

三个小朋友根据上面看到的图形,想象搭成的立体图形,谁搭得对?

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>





2(本题6)下面是用小正方体搭建的一些几何体。(填序号)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

1)从正面看是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 的有( ),从左面看是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 的有( )。

2)用5个同样的小正方体搭建一个从上面看和③一样的几何体,有( )种不同的搭建方法。

3)你还能提出其他数学问题并解答吗?




3(本题6)下面图形是由若干个小正方体木块搭成的几何体从三个方 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 向观察所看到的图形,请你用小正方体摆一摆该几何体的实际形状,它由多少个小正方体木块搭成?

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>




4(本题6)如下图是从三个不同方向观察 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> 一个立体图形所看到的图形,最少需要多少个小正方体才能摆成的?试一试。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>




5(本题7)一个物体从上面看到图形是 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,从右面看到的图形是  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> ,搭这样的物体最少需要几个小正方体方块?最多可以有几个小正方体方块?搭一搭。




6(本题7)想一想。用若干个相同的正方体拼成一个图形,从正面和左面看到的形状如下:

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

这些正方体最少有几个?最多有几个?

















[来源:学科网]

答案解析部分

一、认真填一填。

1AD ABC

25 7

3.左

4.正 上  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a>

5.正面 左面 上面

612

74

85 7

96 9

10.⑤、⑥ ③、④ ①、③ ①、②

114 7

125 6

二、仔细判一判。[来源:..Z.X.X.K]

1.√

2.√

3×

4.√

5×

三、用心选一选。

1C

2C

3B

4B

5C

四、动手操作。

按要求作图即可。

五、解决问题。

1.小红

2.(1)①③④;②⑥;

26

3)从( <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/24/" title="观察" class="c1" target="_blank">观察</a> <a href="/tags/46/" title="答案" class="c1" target="_blank">答案</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/177/" title="物体" class="c1" target="_blank">物体</a> <a href="/tags/197/" title="基础" class="c1" target="_blank">基础</a> )面看④与从( )面看⑥的图形是一样的;

左或右;上(答案不唯一)

36

45

55个, 7个,图见分析。

64个;5




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