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【319448】【分层训练】8.4 分数的简单应用 三年级上册数学同步练习 人教版(含答案)

时间:2025-01-07 22:50:44 作者: 字数:2058字
简介:
试题简介:这是一份三年级数学上册《分数的初步认识》单元的练习卷,主要围绕分数的简单应用展开。考察范围包括分数的意义、分数的简单计算、分数在实际问题中的应用等。试题难度适中,题型多样,包括选择题、填空题、判断题和解答题,能够全面检测学生对分数初步知识的掌握和应用能力。亮点在于结合生活实际,如分铅笔、吃鱼、分气球等,帮助学生将分数知识与实际生活相结合,激发学生的学习兴趣,同时培养学生的数学思维和解决问题的能力。答案部分提供了详细的解题思路和提示,有助于学生理解解题方法。

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 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 第八单元:分数的初步认识

4课时:分数的简单应用

班级:  <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 姓名: 等级:

【基础训练】

一、选择题

1.小宇买了一盒24支装的铅笔,送给了弟弟 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 。还剩( )支。

A16 B21 C3

21千米的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 是(  )米。

A500 B200 C100

3.猫妈妈釣了12条鱼,小花猫吃了 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ,小花猫吃了( )条。

A4 B3 C2

4.如图,这些☆的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 是( )个☆。

 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a>

A2 B4 C6 D5

5.红、蓝气球共有8个,其中红气球占 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ,蓝气球有( )个。

A2 B4 C6 D5

二、填空题

6.分一分,算一算。

 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a>

这些糖的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 是(________)块;这些桃子的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 是(________)个。

72米长的绳子剪去 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ,还剩(________)米。

8.盒子里有20个球,其中 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 是红球,其余是黄球,红球有(________)个,黄球有(________)个。

9.学校合唱队有队员共45人,其中的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> 是女队员。男队员占总人数的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ;男队员有( )人。

10.一堆糖有12块,拿出这些糖的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ,拿出了(______)块糖。

三、判断题

116个苹果的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a>2个。(________

12.一堆小棒有16根,拿出这堆小棒的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ,就是拿出8根小棒。(________

【拓展运用】

四、解答题

13.有15块饼干,小明吃了其中的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ,小明吃了几块饼干?

14.明明吃了这板奶片的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ,红红吃了这板奶片的 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a> ,他们各吃了多少片奶片?

 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a>
 

 

 

 

 

 

 

 

 

 

参考答案

1B

2B

3A

4B

5C

68 9

71

88 12

9 <a href="/tags/32/" title="简单" class="c1" target="_blank">简单</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/144/" title="分数" class="c1" target="_blank">分数</a>20

104

11.√

12×

135

15÷35(块)

答:小明吃了5块饼干。

145片;3

10÷2×1

5×1

5(片)

10÷10×3

1×3

3(片)

答:明明吃了5片奶片,红红吃了3片奶片。

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