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【334491】2024四年级数学下册_第四单元_观察物体综合素质达标_北师大版

时间:2025-02-14 19:39:04 作者: 字数:4551字
简介:


第四单元综合素质达标

一、填空。(每空2分,共36)

1. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> 是由4个小正方体摆成的,从(  )面观察到的图形是 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ,从(   )面和(   )面观察到的图形是相同的。(填“上”“正”或“左”)

2.4个小正方体摆成从正面、右面看到的形状都是 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> 的立体图形,有(  )种不同的摆法。

3. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ,如果再添一个同样大小的正方体,使从正面和左面看到的形状不变,有(   )种添法。

4.想一想,填一填。(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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

(1)从任意面看都是图A的是(      )

(2)从正面看是图C的有(  )(  )

(3)(  )从正面看是图D(  )从左面看是图C

(4)(  )(  )从上面看是图B

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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

(1)从正面和右面看到的形状都是 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> 的是(    ),从正面和左面看到的形状都是 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> 的是(    )

(2)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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> 的是(    )

6.一个由正方体搭成的立体图形(正方体之间有面相接),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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ,它最少是由(  )个正方体搭成的,最多是由(  )个正方体搭成的。

7.从正面、右面和上面看到的都是 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> 的立体图形,它一定是由(  )个正方体搭成的。

二、选择。(将正确答案的字母填在括号里)(每小题2分,共14)

1.一个立体图形从正面看是 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ,这个立体图形是(  )

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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> D. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

2.下面三个物体从(  )看到的图形是完全相同的。

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

A.上面和左面 B.上面和正面 C.正面和左面 D.无法判断

3.5个正方体搭成一个立体图形,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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ,从右面看是 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ,这个立体图形是(  )

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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> D. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

4.关于下面物体的说法不正确的是(  )

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

A.从正面看到的图形是相同的 B.从上面看到的图形是相同的

C.从左面看到的图形是相同的 D.从右面看到的图形是相同的

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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> 添上一个小正方体,使它变成 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ,从(  )面看到的形状不变。

A. B. C. D.

6.【新角度】如果用“ <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ”表示1个正方体,用“ <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ”表示2个正方体叠加,用“ <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ”表示3个正方体叠加。那么右图由7个正方体拼成的几何体,从正面观察,可画出的平面图形是(  )

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> D. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

7.用正方体搭一个立体图形,从它的左面看到的形状是 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> ,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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a> 。符合条件的立体图形有(  )种。

A.1 B.2 C.3 D.4

三、连一连。(14)

1.从正面、右面、上面看到的各是什么形状?(9)

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

2.下列立体图形从左面看到的分别是什么形状?(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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

四、动手操作,我能行。(9)

【新考法】有四个完全相同的小正方体,先用其中三个搭成图①的形状,再把第四个小正方体放在(  )号小正方体的上面,从右面看到的形状如图②,请你画出四个小正方体搭完后从左面和正面看到的形状。

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

  ①     ②  

五、解决问题。(27)

1.梦梦说:“我用相同的正方体搭了下面立体图形中的一个,这个立体图形从正面看是4个正方形,从右面看是2个正方形,从上面看是3个正方形,且从正面看上面的正方形在中间。”梦梦搭的是几号立体图形?(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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>



2.3个正方体搭立体图形,从右面看到的形状是2个竖排的正方形,请你搭一搭,并分别画出从正面、右面和上面看到的形状。(9)

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

3.将下面的立体图形各去掉一个小正方体,使得它们从正面看到的形状相同。将可以去掉的小正方体圈出来。(6)

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

4.同同用6个相同的小正方体搭了一个立体图形,从上面看到的形状如图所示(数字代表这一竖列的小正方体个数)。请画出从正面和右面看到的形状。(7)

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

第四单元综合素质达标

一、1.上 正 左 

2.3 3.2

4.(1)① (2)③ ④

(3)⑤ ④ (4)② ③

5.(1)④ ① (2)⑤

6.4 6 7.4

二、1.D 2.C 3.C 4.B

5.A 6.A 7.C

三、1. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

2. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

四、23

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

五、1.梦梦搭的是⑥号立体图形。

2.搭法一:

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

搭法二:

 <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

3. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>

(56个图圈法不唯一)

4. <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/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/279/" title="综合" class="c1" target="_blank">综合</a> <a href="/tags/300/" title="素质" class="c1" target="_blank">素质</a>


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