<div style="text-align: center;"><span style="font-weight: bold;"><font color="#ff0000">2014年北师大版小学数学五年级下册第三单元</font></span></div><div style="text-align: center;"><font color="#ff0000"><br></font></div><span style=" font-weight:bold; "><div style="text-align: center;"><font color="#ff0000">“分数除法”（含“数学与生活”）检测题</font></div></span><br><div style="text-align: center;"><span style="font-weight: bold;">班级 </span><span style="font-weight: bold; text-decoration: underline;"> </span><span style="font-weight: bold; text-decoration: underline;"> </span><span style="font-weight: bold; text-decoration: underline;"> </span><span style="font-weight: bold; text-decoration: underline;"> _____</span><span style="font-weight: bold;"> 姓名 </span><span style="font-weight: bold; text-decoration: underline;"> </span><span style="font-weight: bold; text-decoration: underline;"> </span><span style="font-weight: bold; text-decoration: underline;"> </span><span style="font-weight: bold; text-decoration: underline;"> </span><span style="font-weight: bold; text-decoration: underline;"> </span><span style="font-weight: bold;"> 成绩 </span><span style="font-weight: bold; text-decoration: underline;"> ________</span></div><br><span style=" font-family: 楷体_GB2312;">亲爱的同学们，只要你一路仔细、认真地分析每一道题，你一定能获得一次难忘的旅途记忆。准备好了吗？我们出发喽！</span><span style=" font-family: 楷体_GB2312;"></span><br><br><span><strong>一、我会填。（每空1分，共12分。）</strong></span><br><br><span style=" font-family: 楷体_GB2312;">1、8/11</span><span>的倒数是（ ）；（ ）的倒数是它本身。</span><br><br><span>2、把5/19</span><span>×2/5</span><span>=2/19</span><span>改写成一道除法算式是（</span><span> </span><span> </span><span> </span><span> </span><span> </span><span> </span><span> ）。</span><br><br><span>3、40分=（ ）时 </span><br><br><span>4、某数的4/5</span><span>是28，这个数是（ ）。</span><br><br><span>5、2/5</span><span>×（ ）=（ ）×21/41</span><span>=7/9</span><span>÷( )=1</span><br><br><span>6、一根铁丝长8米，平均分成5段，每段是全长的（ ），每段长（ ）米。</span><br><br><span>7、（ ）千克的2/7</span><span>是14千克，44千米的3/4</span><span>是（ ）千米。</span><br><br><span><strong>二、我会判断。（对的打“√”，错的打“×”。）（10分）</strong></span><br><br><span>（ ）1、任何数都有倒数。</span><br><br><span>（ ）2、如果2/5</span><span>÷2/5</span><span>=1，那么2/5</span><span>与2/5</span><span>互为倒数。</span><br><br><span>（ ）3、一种商品降价1/5</span><span>后，又提价1/5</span><span>，这种商品的价格没有变。</span><br><br><span>（ ）4、女生人数是男生的3/4</span><span>，男生人数就是女生人数的4/3</span><span>。</span><br><br><span>（ ）5、五年级人数占全校人数的1/6</span><span>，这里是把五年级人数看作整体“1”。</span><br><br><span><strong>三、选择正确答案的序号填在括号里。（6分）</strong></span><br><br><span>1、已知两个乘数的积是1，一个数是9，另一个数是（ ）。</span><br><br><span>A、9 B、1 C、1/9</span><span> D、无法计算</span><br><br><span>2、五（1）班学生数的2/5</span><span>是22人，这个班共有（ ）人。</span><br><br><span>A、44</span><span> </span><span> </span><span>B、55</span><span> </span><span> </span><span>C、33</span><span> </span><span> </span><span>D、66</span><br><br><span>3、把10克盐溶解在100克水中，这是盐占盐水的（ ）。</span><br><br><span>A、1/9</span><span> </span><span> </span><span>B、1/10</span><span> </span><span> </span><span>C、1/11</span><span> </span><span> </span><span>D、10倍</span><br><br><span><strong>四、按要求作答。（共44分）</strong></span><br><br><span>1、直接写出得数。（8分）</span><br><br><span style=" font-weight:bold; ">1</span><span>÷5/8</span><span>=</span><span> </span><span> </span><span> </span><span> </span><span>0÷</span>110/111<span>=</span><span> </span><span> 7/5</span><span></span><span>÷2/3</span><span style=" font-family: 楷体_GB2312;">×0=</span><span style=" font-family: 楷体_GB2312;"> </span><span style=" font-family: 楷体_GB2312;"> </span><span>4</span><span style=" font-family: 楷体_GB2312;">×1/10</span><span style=" font-family: 楷体_GB2312;">=</span><span style=" font-family: 楷体_GB2312;"></span><br><br><span style=" font-family: 楷体_GB2312;">3/4÷1= </span><span style=" font-family: 楷体_GB2312;"> 6/11</span><span style=" font-family: 楷体_GB2312;"></span><span style=" font-family: 楷体_GB2312;"></span><span style=" font-family: 楷体_GB2312;">÷3=</span><span style=" font-family: 楷体_GB2312;"> 1/2</span><span style=" font-family: 楷体_GB2312;"></span><span style=" font-family: 楷体_GB2312;"></span><span style=" font-family: 楷体_GB2312;">÷3/5</span><span style=" font-family: 楷体_GB2312;">=</span><span style=" font-family: 楷体_GB2312;"> 3/8</span><span style=" font-family: 楷体_GB2312;"></span><span style=" font-family: 楷体_GB2312;"></span><span style=" font-family: 楷体_GB2312;">×100÷100=</span><span style=" font-family: 楷体_GB2312;"></span><br><br><span>2、计算（要写出计算过程）。（12分）</span><br><br><span>8</span><span>÷2/9</span><span> 8/9</span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span>÷</span><span style=" font-family: 楷体_GB2312;">4</span><span> </span><br><br><span>1/6÷6</span><span> </span><span>12</span><span>÷2/11</span><span>÷6</span><br><br><span>3、解方程。（9分）</span><br><br><span>3/5χ</span><span>=2/5 </span><span>χ</span><span>÷</span><span>5</span><span>=1/3 7/8</span><span>χ=6/7</span><br><br><span>4、不计算，把下列算式的商按从小到大的顺序排列起来。(填序号)(4分)</span><br><br><span>①7/13</span><span>÷3/4</span><span> </span><span></span><span></span><span>②7/13</span><span>÷5/4 </span><span> </span><span> </span><span> </span><span>③7/13</span><span>÷</span><span>1 </span><span> </span><span> </span><span>④7/13</span><span>÷9/4</span><br><br><span>（</span><span> </span><span> </span><span> </span><span>），（</span><span> </span><span></span><span>），</span><span> </span><span>（</span><span> </span><span> </span><span> </span><span>），（</span><span> </span><span></span><span>）</span><br><br><span style=" z-index:1; left:0px; "></span><span>5、看图列式计算。（6分）</span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0404/201444215823.jpg?m=0.04174309759400785"><br><br><span>6、只列式不计算。（5分）</span><br><br><span>1、一个数的3/8</span><span>是120，这个数是多少？</span><br><br><span>2、30除以某数等于4/9</span><span>，求某数。</span><br><br><span style=" font-family: 楷体_GB2312;"><strong>五、解决问题（每小题4分，共28分。若其中有一题是用方程来解的，可加1分。）</strong></span><span style=" font-family: 楷体_GB2312;"></span><br><br><span>1、有一根长6米的绳子，截成每段长3/4</span><span>米，可以截成几段？</span><br><br><span>2、学校有科技书150本,恰好是故事书的本数的3/4</span><span>,文艺书的本数是故事书的5/8</span><span>,文艺书有多少本?</span><br><br><span>3、小明今年12岁。</span><br><br><span>1）小明的年龄是妈妈的1/3</span><span>，妈妈今年多少岁？</span><br><br><span>2）爸爸今年比妈妈大1/9</span><span>，爸爸今年多少岁？</span><br><br><span>4、原价是多少元？</span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0404/20144422032.jpg?m=0.41251851338893175"><br><br><span>5、学校修建一个长方体游泳池，长20米，宽8米，深1.5米。</span><br><br><span>1）如果在游泳池的四周和底部粉刷水泥，粉刷的面积是多少平方米？</span><br><br><span>2）如果粉刷水泥每平方米需要费用10元，水泥粉刷一共需要多少元？</span><br>
五年级下