2014年小学六年级数学分数乘法单元平行测试题

<div style="text-align: center;"><span style="font-weight: bold;"><font color="#ff0000">2014年小学六年级数学分数乘法</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">单元平行测试题</font></div></span><div><br></div><br><span style=" font-weight:bold; ">一、用心填一填:(21分)</span><span style=" font-weight:bold; "></span><br><br><span>1、</span>1/2<span>×(&nbsp;&nbsp;&nbsp;&nbsp;)=&nbsp;</span>3/5<span>×(&nbsp;&nbsp;&nbsp;&nbsp;)=0.5×(&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>2、在○里填上>、<或=</span><br><br>5/6<span>×4○&nbsp;</span>5/6<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9×</span>2/3<span>○</span>2/3<span>×9&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>3/8<span>×&nbsp;</span>1/2<span>○&nbsp;</span>3/8<br><br><span>3、边长&nbsp;</span>1/2<span>分米的正方形的周长是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)分米。</span><br><br><span>4、六(1)班有50人,女生占全班人数的&nbsp;</span>2/5<span>,女生有(&nbsp;&nbsp;&nbsp;&nbsp;)人,男生有(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>5、看一本书,每天看全书的&nbsp;</span>1/9<span>,3天看了全书的(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>6、一袋大米25kg,已经吃了它的</span>2/5<span>,吃了(&nbsp;&nbsp;)kg,还剩(&nbsp;&nbsp;&nbsp;&nbsp;)kg。</span><br><br><span>7、比30多&nbsp;</span>1/6<span>的数是(&nbsp;&nbsp;&nbsp;&nbsp;);比36少&nbsp;</span>3/4<span>的数是(&nbsp;&nbsp;&nbsp;)。</span><br><br><span>8、</span>2/5<span>×</span>3/4<span>表示的意义是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),4</span><span>×</span>3/5<span>表示的意义是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>9、3吨的</span>2/9<span>是(  )吨,4米的</span>3/5<span>是(  )米,24的</span>2/3<span>是(  )。</span><br><br><span>10、一个正方形的边是</span>9/4<span>米,它的周长是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)米,它的面积是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)平方米。</span><br><br><span style=" font-weight:bold; ">二、对号入座(12分)。</span><span style=" font-weight:bold; "></span><br><br><span>1、“小羊只数是大羊只数的&nbsp;</span>3/8<span>”,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)是单位“1”。</span><br><br><span>A、小羊&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、大羊&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、无法确定</span><br><br><span>2、(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)的倒数一定大于1。</span><br><br><span>A、真分数&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、假分数&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、任何数</span><br><br><span>3、今年的产量比去年多</span>1/10<span>,今年的产量就相当于去年的(&nbsp;&nbsp;&nbsp;)。</span><br><br><span>A、</span>1/10<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、</span>9/10<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、</span>11/10<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>4、12×(</span>1/4<span>+&nbsp;</span>1/3<span>)=3+4=7,这是根据(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)计算的。</span><br><br><span>A、乘法交换律&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、乘法分配律&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、乘法结合律</span><br><br><span>5、一块长方形菜地,长20米,宽是长的</span>3/4<span>,求面积的算式是(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>A、20×</span>3/4<span>&nbsp;&nbsp;&nbsp;&nbsp;B、20×&nbsp;</span>3/4<span>+20&nbsp;&nbsp;&nbsp;&nbsp;C、20×(20×&nbsp;</span>3/4<span>)</span><br><br><span>6、比35的&nbsp;</span>2/7<span>多9的数是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>A、19&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B、14&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C、1</span><br><br><span>三、火眼金睛辨对错(10分)。</span><span></span><br><br><span>1、一个数的倒数小于它本身,这个数一定是假分数。&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;)&nbsp;</span><br><br><span>2、1千克糖,吃了&nbsp;1/2&nbsp;&nbsp;,还剩&nbsp;1/2&nbsp;千克。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>3、一个不为0的数乘真分数,积一定小于这个数。&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>4、杨树比柳树多1/5&nbsp;,那么柳树就比杨树少1/5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>5、a×4/5&nbsp;&nbsp;=b×&nbsp;2/3&nbsp;&nbsp;,则a &lt; &nbsp; b &nbsp; &nbsp; (&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>6、自然数a的倒数是&nbsp;</span>1/a<span>。 &nbsp; (&nbsp;&nbsp;&nbsp;&nbsp;)&nbsp;</span><br><br><span>7、1吨的&nbsp;</span>4/5<span>和4吨的&nbsp;</span>1/5<span>一样重。(&nbsp;&nbsp;&nbsp;&nbsp;)</span><div><br><span>8、一根电线长3米,用去&nbsp;</span>2/5<span>米后,还剩下&nbsp;</span>3/5<span>米。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>9、60的&nbsp;</span>2/5<span>相当于80的&nbsp;</span>3/10<span>&nbsp;。 &nbsp; &nbsp; (&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>10、冰箱的数量相当于电视机的</span>7/8<span>,冰箱的数量比电视机少</span>1/8<span>.(&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span><strong>四、计算(29分)</strong></span><br><br><span>1.直接写出得数:(9分)</span><br><br>2/7<span>×2&nbsp;=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>3/5<span>×1&nbsp;=&nbsp;&nbsp;&nbsp;&nbsp;</span>3/4<span>×</span>1/3<span>=</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12</span><span>×</span>3/4<span>=</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>5/28<span>×7=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br>4/5<span>×</span>4/7<span>=</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5</span><span>-</span>3/7<span>=</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>7/24<span>×</span>3/14<span>=</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span>1/6<span>+</span>5/6<span>×</span>1/5<span>=</span><span>&nbsp;</span><br><br><span>2.</span><span>&nbsp;</span><span>用你喜欢的方法算:(20分)</span><br><br><span>&nbsp;</span>1/4<span style=" letter-spacing:; ">+</span>3/4<span style=" letter-spacing:; ">×</span>1/3<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>40/13<span>×39×</span>7/80<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>5/7<span style=" letter-spacing:; ">×</span>1/4<span style=" letter-spacing:; ">+</span>3/4<span style=" letter-spacing:; ">×</span>5/7<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span style=" letter-spacing:; ">(</span>1/4<span style=" letter-spacing:; ">+</span>1/5<span style=" letter-spacing:; ">)×4×5</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;24×</span> 51/43<span>+51×</span>19/43<br><br><span style=" font-weight:bold; ">五、看图列式计算(8分)。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0918/2014918154427.png?m=0.8494639853015542" width="550" height="106"><br><br><span style=" font-weight:bold; ">六、解决问题。(20分)</span><span style=" font-weight:bold; "></span><br><br><span>1、甲乙两地相距420千米,一辆汽车行驶了全程的&nbsp;</span>5/7<span>,行驶了多少千米?</span><br><br><span>2、一个果园占地20公顷,其中的&nbsp;</span>2/5<span>种苹果树,</span>1/4<span>种梨树,苹果树和梨树各种了多少公顷?</span><br><br><span>3、猎豹的速度是每小时125千米,老虎每小时跑81千米,现在猎豹和老虎各跑了</span>3/4<span>小时,猎豹比老虎少跑多少千米?</span><br><br><span>4、一辆汽车行1千米耗油</span>1/12<span>升,照这样计算,行</span>4/5<span>千米耗油多少升?行50千米呢?</span><br><br><span>5、鹅的孵化期是30天,鹅的孵化期的</span><span>等于鸭的孵化期;鸡的孵化期是鸭的</span><span>。鸡的孵化期是多少天?</span><br><br><span>6、一杯约250ml的鲜牛奶大约含有</span>3/10<span>g的钙质,小华每天喝2杯这样的牛奶,他一个月30天通过喝牛奶可以摄取钙质多少g?</span><br><br></div>