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【320683】【分层训练】1.1 观察物体(三) 五年级下册数学同步练习 人教版(含答案)

时间:2025-01-08 18:39:11 作者: 字数:2678字
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 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> 第一单元:观察物体(三)

1课时:观察物体(三)

班级:  <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> 姓名: 等级:

【基础训练】

一、选择题

1.一个几何体从正面、上面、左面看,如图所示。这个几何体是( )。

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> B <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> C <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> D <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

2.有几堆摆好的小方块,从三个不同的方向观察看到的形状如下图,这里至少有( )个小方块。

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

A5 B6 C7 D8

3.从( )看,下面这三个物体的形状完全相同。

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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.正面和上面 B.上面和左面 C.左面和正面

4.一个几何体,从正面看到的图形是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,从上面看到的图形是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,从左面看到的图形是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,这个几何体是( )。

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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> B <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> C <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> D <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

5.下面的几何体,( )从左面看到的是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> B <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> C <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

二、填空题

6.用小正方体搭成一个立体图形,从上面看到的形状是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,从左面看到的形状是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,最多需要( )块小正方体,最少需要( )块小正方体。

7.下图中,从右面看到的形状是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> 的是( )。

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

8.小明用一些同样的小正方体搭了一个几何体,从正面和上面看到的形状如下图。小明最少用了( )个这样的小正方体。

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

9.看图填空。

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

1)从上面看到的是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> 的图形是( )号。

2)从正面看到的是四个小正方形的图形是( )号。

3)从侧面看到的是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> 的图形是( )号。

10.用4个同样的小正方体摆成如图 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> 所示的几何体。如果再添一个同样的小正方体,从上面看到的图形是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,有( )种添法。

三、判断题

11.几何体 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> 从正面和上面看到的都是形状 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> 。( )

12.站在同一位置,最多能看到一个立方体的三个面。( )

【拓展运用】

四、作图题

13.画出从三个不同方向看到的图形。

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

五、解答题

14.一个物体从上面看到图形是 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,从右面看到的图形是  <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,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。




参考答案

1B

2A

3B

4B

5A

67 5

7.③

86

9.①② ①②③④⑥ ①④⑤⑥

101

11.√

12.√

13.画图如下:

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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>

14 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,最少需要11215(个)

 <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/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/50/" title="同步" class="c1" target="_blank">同步</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> ,最多需要22217(个)

答:搭这样的物体最少需要5个小正方体方块,最多可以有7个小正方体方块。


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