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【334666】2025五年级数学下册_二_分数_分数的意义_练习_西师大版

时间:2025-02-14 19:53:06 作者: 字数:2231字
简介:


分数的意义

一、判断题

  1.比较两个分数的大小,只要比较它们的分数单位就可以,分数单位大的分数值就大分数单位小的分数值就小。(   )

  24吨的 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 1吨的 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 同样重。(    )

  3.把3千克糖平均分成4份,每份就是 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 。(     )

  4.分母越大的分数值越小。(     )

  二、填空

  1.把(   )平均分成若干份,表示这样的(   )或者(   )的数叫做(   )。表示其中1份的数叫做(   )。

  2.把单位“ 1”平均分成5份,其中3份就是,它的分数单位是(   )。

  3.把 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 按从大到小的顺序排列起来:(     )>(     )>(     )

  4.把 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 按从小到大排列:(     )<(     )<(     )

  5.把4吨化肥分给3个生产队,每个生产队分得这批化肥的 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> ,分别是 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 吨。

  6甲数是5乙数是3甲数是乙数 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a> 乙数是两数之和的 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

  7.某商场有男售货员16人,女售货员35人,女售货员占总售货员人数的 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

  三、看图填数:

 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

  四、分析应用

  1.汽车从A城到B城需要8小时到达。平均每小时行全程的几分之几?5小时行全程的几分之几?

  2.一根电线用去了15米,比余下的正好长4米,这根电线已经用去了全长的几分之几?

  

答案:

  一、判断题

  1×

  2.√;

  3×

  4×

  二、填空

  12.略

  3.(  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  )>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  )>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  )

  4.(  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  )<  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  )<  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  )

  5 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

  6 <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>  <a href="/tags/48/" title="练习" class="c1" target="_blank">练习</a> <a href="/tags/55/" title="数学" class="c1" target="_blank">数学</a> <a href="/tags/144/" title="分数" class="c1" target="_blank">分数</a> <a href="/tags/385/" title="意义" class="c1" target="_blank">意义</a>

  7.略

  三、略。

  四、略


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