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【334637】2024五年级数学下册_第一单元_图形的运动_二_综合素质达标_冀教版

时间:2025-02-14 19:51:15 作者: 字数:6022字
简介:

第一单元综合素质达标

一、填空。(每空1,34)

1.在括号里写出下列图形各有几条对称轴。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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(1)如下左图,(  )号图形向左平移5格就与(  )号图形重合。

(2)1号图形先向(  )平移(  )格,再向(  )平移(  )格,就得到3号图形。

(3)平移前后,图形的周长(  ),面积(  )(填“变大”“变小”或“不变”)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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.如上右图,把三角形①绕点O(  )时针旋转(  到三角形②处。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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.【保定市真题】如图,指针从“1”绕点O顺时针旋转60°后指向“(  )”,指针从“1”绕点O逆时针旋转90°后指向“(  )”

5.如下左图,图形A先向(  )平移(  )格,再向(  )平移(  )格后得到图形A'

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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>

6.如上右图,绕点A旋转的图形是(  ),绕点B旋转的图形是(  )(填序号)

7.体育课上,老师喊口令“立正,向左转”时,你的身体按(  )时针方向旋转(  ;喊口令“立正,向后转”时,你的身体按(  )时针方向旋转(  

8(1)把图形①绕点O顺时针旋转(  ,得到图形④。

(2)把图形②绕点O(  )时针旋转90°,得到图形③。

(3)把图形③绕点O顺时针旋转90°,得到图形(  )

(4)图形④是图形(  )绕点O逆时针旋转(  得到的。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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>

9.一个盘秤如图所示,如果放上物体后这个盘秤的指针顺时针旋转了180°,那么说明物体的质量是(  )kg

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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>

二、选择。(将正确答案的字母填在括号里)(每小题1分,共7)

1.下列现象中,与其他三个不是同一类的是(  )

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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     B     C       D

2.下图中,把镜子沿着虚线放置,镜子中的图形是(  )

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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      B    C   D

3.顺次连接图中的点,可以补成轴对称图形的是(  )

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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 B C D

4.下面左侧图形通过平移能得到(  )

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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 B C D

5.下列图形中,不能由图形M旋转得到的是(  )

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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     B      C      D

6.下列图形中,绕点O旋转90°后能与原图形重合的是(  )

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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     B      C     D

7.观察下图,图形B通过(  )得到图形A

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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.先绕点O顺时针旋转90°,再向左平移10

B.先绕点O逆时针旋转90° ,再向左平移10

C.先绕点O逆时针旋转90° ,再向左平移8

D.先绕点O顺时针旋转90°,再向左平移8

三、动手操作。(31)

1.先填一填下面图形各有多少条对称轴,再画出它们所有的对称轴。(12)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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.把下面三个图形补全,使它们成为轴对称图形。(6)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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.图中的图形是先向下平移3格,再向右平移4格得到的,请你画出该图形原来的位置。(2)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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.按要求在方格纸上操作。

(1)以直线l为对称轴,把轴对称图形A补全。(2)

(2)将图形A绕点O按逆时针方向旋转90°,得到图形B(2)

(3)将图形A绕点O按顺时针方向旋转90°,得到图形C(2)

(4)将图形C向右平移5格,得到图形D(2)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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>

5.找出规律,按规律画出下一个图形。(3)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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、解决问题。(28)

1.华华家的钟表快了10分钟,华华要把它调准确,她应该怎样调整?请用旋转的知识来回答。(4)




2.图形甲分别是怎样旋转得到图形乙和图形丙的?各旋转了多少度?(6)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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.下面图中的四部分图案怎样运动能与完整的图案重合?写出来。(8)

图①                  

图②                  

图③                  

图④                  

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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.如图,1个大正方形被分成16个大小相同的小正方形,其中4个小正方形已涂上阴影,若再将一个小正方形涂上阴影,使所有阴影区域构成轴对称图形,则这个小正方形的编号为多少?(5)

1

2


3

4

5

6


7


8

9

10

11


12



5.如图,正方形ABCD的边ABBC分别在三角形BEFBEBF边上,顶点DEF边上,DEF分成两段,DE12米,DF15米,求两个阴影三角形的面积和。(5)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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>



答案

一、12 1 4 0 3 1

2(1) 2 1

(2) 右 5 下 4(或下 4 右 5)

(3) 不变 不变

3.顺 90 43 10

5.上 2 右 4(或右 4 上 2)

6.② ① 7.逆 90 顺 180

8(1)90 (2)逆 (3)

(4)(答案不唯一) 90

94

二、1D 2B 3C 4B 5C 6B

7A

三、1

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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)条   (2)条    (5)

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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)条   (5)条    (2)

2 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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>

5 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</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、1.她应该把分针逆时针旋转60°

2.图形甲绕A点逆时针旋转90°得到图形乙。

图形甲绕B点逆时针旋转90°得到图形丙。

3.先向下平移 1格,再向右平移1

先向左平移1格,再向下平移2

先向下平移1格,再向左平移1

先绕其左下角顺时针旋转90°,再向上平移1格,最后向左平移3

(答案不唯一,合理即可)

4.这个小正方形的编号为 4

512×15÷290(平方米)

答:两个阴影三角形的面积和是90平方米。

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