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【319445】【分层训练】8.1 几分之一 三年级上册数学同步练习 人教版(含答案)

时间:2025-01-07 22:50:59 作者: 字数:1693字
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 <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/245/" title="训练" class="c1" target="_blank">训练</a> 第八单元:分数的初步认识

1课时:几分之一

班级:  <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/245/" title="训练" class="c1" target="_blank">训练</a> 姓名: 等级:

【基础训练】

一、选择题

1.下面图中阴影部分不能用 <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/245/" title="训练" class="c1" target="_blank">训练</a> 表示的是( )。

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/245/" title="训练" class="c1" target="_blank">训练</a> B <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/245/" title="训练" class="c1" target="_blank">训练</a> C <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/245/" title="训练" class="c1" target="_blank">训练</a>

2.把一张正方形的纸对折两次,其中的一份是这张纸的( )。

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/245/" title="训练" class="c1" target="_blank">训练</a> B <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/245/" title="训练" class="c1" target="_blank">训练</a> C <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/245/" title="训练" class="c1" target="_blank">训练</a>

3.下面( )的阴影部分不能用 <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/245/" title="训练" class="c1" target="_blank">训练</a> 表示。

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/245/" title="训练" class="c1" target="_blank">训练</a> B <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/245/" title="训练" class="c1" target="_blank">训练</a> C <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/245/" title="训练" class="c1" target="_blank">训练</a>

4.一块菜地(如图),番茄地的面积占这块地的( )。

 <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/245/" title="训练" class="c1" target="_blank">训练</a>

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/245/" title="训练" class="c1" target="_blank">训练</a> B <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/245/" title="训练" class="c1" target="_blank">训练</a> C <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/245/" title="训练" class="c1" target="_blank">训练</a>

5.下面各图案中的涂色部分,可以用 <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/245/" title="训练" class="c1" target="_blank">训练</a> 表示的是( )。

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/245/" title="训练" class="c1" target="_blank">训练</a> B <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/245/" title="训练" class="c1" target="_blank">训练</a> C <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/245/" title="训练" class="c1" target="_blank">训练</a> D <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/245/" title="训练" class="c1" target="_blank">训练</a>

二、填空题

6.把一根绳子对折,再对折后,每一段是这根绳子的 <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/245/" title="训练" class="c1" target="_blank">训练</a>

7 <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/245/" title="训练" class="c1" target="_blank">训练</a> 读作(________),七分之一写作(________), <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/245/" title="训练" class="c1" target="_blank">训练</a> 的分母是(________),分子是(________)。

8.写出下面分数各部分的名称并读一读。读作:

 <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/245/" title="训练" class="c1" target="_blank">训练</a>

9.用分数表示下面各图的涂色部分。

 <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/245/" title="训练" class="c1" target="_blank">训练</a> ________) (________) (________

10.把一张正方形的纸平均分成5份,每份是它的(________)分之一。

三、判断题

11 <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/245/" title="训练" class="c1" target="_blank">训练</a> 左图中的涂色部分占整个图形的 <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/245/" title="训练" class="c1" target="_blank">训练</a> 。(________

12.把一张纸分成5份,每份是它的五分之一。(________

【拓展运用】

四、作图题

13.看分数,涂颜色。

 <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/245/" title="训练" class="c1" target="_blank">训练</a>





参考答案

1B

2B

3A

4B

5D

6 <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/245/" title="训练" class="c1" target="_blank">训练</a>

7.五分之一  <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/245/" title="训练" class="c1" target="_blank">训练</a> 3 1

8.写名称见详解;九分之一

9 <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/245/" title="训练" class="c1" target="_blank">训练</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/245/" title="训练" class="c1" target="_blank">训练</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/245/" title="训练" class="c1" target="_blank">训练</a>

10.五

11×

12×

13 <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/245/" title="训练" class="c1" target="_blank">训练</a>


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