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【320843】第六单元检测卷(一)

时间:2025-01-08 18:49:19 作者: 字数:2643字
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第六单元检测

一、填空题。

1.分数加法的意义与整数加法的意义(  )

2.同分母分数相加、减,分母不变,只把(  )相加、减。

3.异分母分数相加、减,要先(  ),再计算。

4. <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> 米比(  )米短 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> , <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> 米长 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> 米是(  )米。

二、判断题。(正确的画“,错误的画“)

1.分数加减混合运算的运算顺序和整数加减混合运算的运算顺序相同。 (  )

2.整数加法的交换律、结合律对分数加法不适用。 (  )

3. 1- <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> =1-1=0 (  )

4.一根电线用去 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> ,还剩下 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> 米。 (  )

三、计算题。

1.直接写得数。

1- <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> =       <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> =  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> =      <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> =

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> = 1- <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> =  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> =  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> =

2.计算下面各题。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>       <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>




 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>





3.用简便方法计算。

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>       <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>





 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>





4.解方程。(9)

x+ <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> = <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   x- <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> = <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>    <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> +x= <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>





四、解决问题。

1.淘气用一张彩纸的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> 折轮船,笑笑用一张同样大的彩纸的 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> 折飞机。淘气比笑笑多用了一张彩纸的几分之几?两人共用一张彩纸够吗?





2.有两堆沙子,第一堆重 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> ,第二堆比第一堆重 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> ,两堆共重多少吨?






3.小华对五年级同学寒假读书情况进行了统计,记录如下。


读书的数量

占全年级的几分之几

1

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>

2

?

3

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>

4本及以上

 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>

(1)2本书的同学占全年级总人数的几分之几?





(2)五年级中读几本书的人最多?





4.学校买来一批书,其中文艺书占 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> ,科技书占 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> ,其余全是连环画。连环画占这批书的几分之几?





参考答案

一、1. 相同 2. 分子 3. 通分 4.  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>

二、1.  2.  3.  4.

三、1.  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  1 <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>

2.  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  

3.  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  1  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>

4. x= <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  x= <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  x= <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>

四、1.  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> = <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>   <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> = <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> >1,共用一张彩纸不够。

2.  <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> + <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> = <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> ()

3. (1)1- <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> = <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>

(2) <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> > <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> > <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> > <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> ,2本书的人数最多。

4. 1- <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> - <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a> = <a href="/tags/1/" title="单元" class="c1" target="_blank">单元</a>


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