2016年新北师大版小学六年级数学下册第二单元比例测试试卷

<div style="text-align: center;"><strong><font color="#ff0000">2016年小学新北师大版六年级数学下册第二单元比例试卷</font></strong></div><br><strong><span>一、填空</span><span>:</span><span>(26</span><span>分</span><span>)</span></strong><br><br>1、<span style=" line-height: 150%; ">(</span><span style=" line-height: 150%; ">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span><span style=" line-height: 150%; ">)这叫做比例的基本性质。</span><br><br>2、在比例中,两个内项的积是6,其中一个外项是2/3,另一个外项是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。<br><br>3、<span style=" line-height: 150%; ">把</span>3.<span style=" line-height: 150%; ">6</span><span style=" line-height: 150%; ">×</span><span style=" line-height: 150%; ">1.5=1.8</span><span style=" line-height: 150%; ">×</span><span style=" line-height: 150%; ">3</span><span style=" line-height: 150%; ">改写成比例是(</span><span style=" line-height: 150%; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" line-height: 150%; ">)。</span><br><br>4、<span style=" line-height: 150%; ">一个比例中,两个外项互为倒数,那么两个内项的积是(</span><span style=" line-height: 150%; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" line-height: 150%; ">)</span>。<br><br>5、如果2.4x=8y,那么x∶y=(&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;)∶( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><br>6、从6、24、20、18与5这五个数中选出四个数组成一个比例是:( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。<br><br>7、小华身高1.6米,在照片上她的身高是5厘米。这张照片的比例尺是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><br><span style="z-index:1;left:0px;"></span>8<span style=" line-height: 150%; ">、</span><span style=" line-height: 150%; ">线段比例尺</span><span style=" line-height: 150%; "></span><img src="//www.szxuexiao.com/uploadimages/2016/0406/201646211853.png?m=0.47723837196826935"><span style=" line-height: 150%; "></span><span style=" line-height: 150%; ">表示图上</span><span style=" line-height: 150%; ">1</span><span style=" line-height: 150%; ">厘米的线段相当于实际距离(</span><span style=" line-height: 150%; ">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" line-height: 150%; ">)千米,改写成数值比例尺是(</span><span style=" line-height: 150%; ">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span><span style=" line-height: 150%; ">)</span><br><br>9、<span style=" line-height: 150%; background: rgb(255, 255, 255);">在比例尺是</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">1</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">:</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">100</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">的建筑图纸上,量得教室的长是</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">9</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">厘米,宽是</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">7</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">厘米。教室的实际长是(</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">)米,宽是(</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">)米。</span><br><br>10、<span style=" line-height: 150%; ">3</span><span style=" line-height: 150%; ">、</span><span style=" line-height: 150%; ">4</span><span style=" line-height: 150%; ">、</span><span style=" line-height: 150%; ">9</span><span style=" line-height: 150%; ">、</span><span style=" line-height: 150%; ">12</span><span style=" line-height: 150%; ">可以组成比例。如果确定</span><span style=" line-height: 150%; ">3</span><span style=" line-height: 150%; ">是比例的第一项,那么这个比例是(</span><span style=" line-height: 150%; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" line-height: 150%; ">)。</span><br><br><span style=" line-height: 150%; ">11</span><span style=" line-height: 150%; ">、一个零件长</span><span style=" line-height: 150%; ">10</span><span style=" line-height: 150%; ">毫米,画在图纸上长</span><span style=" line-height: 150%; ">5</span><span style=" line-height: 150%; ">厘米,这张图纸的比例尺是(</span><span style=" line-height: 150%; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" line-height: 150%; ">)</span><span style=" line-height: 150%; "></span><br><br>12、在1/4,1/6,4中配上个数,并组成比例(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。<br><br>13、一幅地图上用5厘米表示实际距离20千米,这幅地图的比例尺是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。<br><br><strong><span>二、判断题:(</span><span>5</span><span>分)</span></strong><br><br>1<span style=" line-height: 150%; background: rgb(255, 255, 255);">比例尺是一个比,所以它没有单位。</span>&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><br>2、根据12×2=4×6写成比例是12∶2=4∶6。&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><br>3、含有未知数的比例也是方程。&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><br>4、实际距离一定比相对应的图上距离要大。&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><br>5、当<span style="letter-spacing: -1.33333337306976px;"><em>&nbsp;<img src="//www.szxuexiao.com/uploadimages/2016/0406/201646212041.png?m=0.6239352007396519">&nbsp;</em></span>时,那么2<em><span style="font-family: line-height: 150%; letter-spacing: -1pt; ">x</span></em>=5<em><span style="font-family: line-height: 150%; letter-spacing: -1pt; ">y</span></em>&nbsp; &nbsp; &nbsp; &nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><br><strong>三、选择题:(5分)</strong><br><br>1、不能与3,6,9组成比例的数是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><br><span style=" line-height: 150%; ">(</span>1<span style=" line-height: 150%; ">)</span>&nbsp;2&nbsp;&nbsp; &nbsp;<span style=" line-height: 150%; ">(</span>2<span style=" line-height: 150%; ">)</span>&nbsp;12&nbsp;&nbsp; &nbsp;<span style=" line-height: 150%; ">(</span>3<span style=" line-height: 150%; ">)</span>&nbsp;18<br><br>2<span style=" line-height: 125%; ">、</span>一种长5毫米的零件,画在图纸上长10厘米,这幅图的比例尺是(&nbsp;&nbsp;&nbsp;&nbsp;)。<br><br>(1)1/2<ruby>&nbsp; &nbsp;&nbsp;(2)2/1 &nbsp; &nbsp;(3) 1/20 &nbsp; (4)20/1</ruby><div><span style="font-size: 12px;"><br></span><div><ruby></ruby>3<span style="line-height: 150%;">、</span><span style="line-height: 150%;">在比例尺是</span>6 : 1<span style="line-height: 150%;">的地图上,量得</span>A<span style="line-height: 150%;">到</span>B<span style="line-height: 150%;">的距离是</span>1.2<span style="line-height: 150%;">厘米,</span>A<span style="line-height: 150%;">到</span>B<span style="line-height: 150%;">的实际距离是(</span>&nbsp;<span style="line-height: 150%;">)</span><br><br>A<span style=" line-height: 150%; ">、</span>7.2<span style=" line-height: 150%; ">厘米</span>&nbsp;&nbsp;B<span style=" line-height: 150%; ">、</span>2<span style=" line-height: 150%; ">厘米</span>&nbsp;&nbsp;C<span style=" line-height: 150%; ">、</span>0.2<span style=" line-height: 150%; ">厘米</span><br><br>4<span style=" line-height: 150%; ">、</span><span style=" line-height: 150%; ">能与</span><span style=" line-height: 150%; ">组成比例的是(</span>&nbsp;&nbsp;&nbsp;&nbsp;<span style=" line-height: 150%; ">)</span></div><div><br></div><div>A<span style=" line-height: 150%; ">、1/4:1/3</span>&nbsp;&nbsp;B<span style=" line-height: 150%; ">、3:4</span>&nbsp;&nbsp;C<span style=" line-height: 150%; ">、4:3</span><br><br>5、夏庄小学操场长108米,宽64米,画在练习本上,选(&nbsp;&nbsp;&nbsp;&nbsp;)的比例尺比较合适。<br><br><img src="//www.szxuexiao.com/uploadimages/2016/0406/201646212348.png?m=0.4756343977060169"><br><br>A、1/200&nbsp;&nbsp;&nbsp;B、1/2000&nbsp;&nbsp;&nbsp;C、1/10000<br><br><strong>四、根据要求画出相应的图形相信你是最棒的(8分)</strong></div><div><br>1、<br><br><div>将三角形按1 : 3缩小</div><div>将长方形按2:1放大</div><br>2、电影院在中心广场北偏东60°方向,约是240米的地方。图书馆在电影院的正西方约是200米的地方。请在图中标出所在地。<br><br><img src="//www.szxuexiao.com/uploadimages/2016/0406/201646212555.png?m=0.8100266382098198"><br><br><strong>五、按下面的条件组成比例(6分)</strong><br><br>1、<span style=" line-height: 150%; ">一个比例的两个内项的积是</span><span style="font-family: Arial; line-height: 150%; ">4/5 </span><span style=" line-height: 150%; ">,一个外项是</span><span style="font-family: Arial; line-height: 150%; ">3/8</span><span style=" line-height: 150%; ">.</span><br><br>2、写出两个比值是2.5的比,并组成比例. &nbsp;<br><br>3、<span style=" line-height: 150%; ">两个外项分别是</span>12<span style=" line-height: 150%; ">和</span>8<span style=" line-height: 150%; ">,两个比的比值是</span>3/4<span style=" line-height: 150%; ">,</span><br><br><strong>六、解比例(8分)</strong><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0406/201646212729.png?m=0.8340457913000137"><br><br><strong>七.应用题(32分)</strong><br><br>1、一个半径长是4毫米的圆形零件,画在一幅比例尺是25∶1的图纸上,它的图上半径是多少厘米?<br><br>2、<span style=" line-height: 150%; ">一块长方形地长</span>300<span style=" line-height: 150%; ">米,宽</span>200<span style=" line-height: 150%; ">米,把它画在比例尺是</span>1 : 5000<span style=" line-height: 150%; ">的图纸上,面积应该是多少?</span><span style=" line-height: 150%; "></span><br><br><span style=" background: rgb(255, 255, 255);">3、</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">在一幅比例尺是</span><span style="font-family: line-height: 150%; background: rgb(255, 255, 255);">1:4000</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">的学校平面图上,量得教学楼到操场的距离是</span><span style="font-family: line-height: 150%; background: rgb(255, 255, 255);">4.8</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">厘米,实际距离是多少米。</span><br><br>4、<span style=" line-height: 150%; ">我家里的台钟敲</span>5<span style=" line-height: 150%; ">下用去</span>12<span style=" line-height: 150%; ">秒,如果敲</span>10<span style=" line-height: 150%; ">下用去多少秒?(比例解)</span><br><br>5<span style=" line-height: 150%; ">、</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">甲城市与已城市相距</span><span style="font-family: line-height: 150%; background: rgb(255, 255, 255);">330</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">千米,画在比例尺是</span><span style="font-family: line-height: 150%; background: rgb(255, 255, 255);">1:200000</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">的地图上,应画多少厘米?</span><br><br><span style="font-family: line-height: 114%; background: rgb(255, 255, 255);">6</span><span style=" line-height: 114%; background: rgb(255, 255, 255);">、在比例尺是</span><span style="font-family: line-height: 114%; background: rgb(255, 255, 255);">1:2000000</span><span style=" line-height: 114%; background: rgb(255, 255, 255);">的地图上,量得甲第到乙地的距离是</span><span style="font-family: line-height: 114%; background: rgb(255, 255, 255);">3.6</span><span style=" line-height: 114%; background: rgb(255, 255, 255);">厘米。如果汽车以每小时</span><span style="font-family: line-height: 114%; background: rgb(255, 255, 255);">30</span><span style=" line-height: 114%; background: rgb(255, 255, 255);">千米的速度从甲地出发,走完这段路程到达乙地要用几小时?</span><span style="font-family: line-height: 114%; background: rgb(255, 255, 255);"></span><br><br><span style="font-family: line-height: 150%; background: rgb(255, 255, 255);">7</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">、在比例尺是</span><span style="font-family: line-height: 150%; background: rgb(255, 255, 255);">1:500000</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">的地图上,测得南京与上海的距离是</span><span style="font-family: line-height: 150%; background: rgb(255, 255, 255);">6</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">厘米,在另一幅比例尺是</span><span style="font-family: line-height: 150%; background: rgb(255, 255, 255);">1:400000</span><span style=" line-height: 150%; background: rgb(255, 255, 255);">的地图上,南京与上海的距离应是多少厘米?</span><br><br>8、把280棵树苗栽在两块长方形地上,一块长15米,宽8米;另一块长12米,宽4米,如按面积大小分配栽种,这两块地分别要栽多少棵?<br><br><strong><span style=" background: rgb(255, 255, 255);">八、操作题。(</span>10<span style=" background: rgb(255, 255, 255);">分)</span></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0406/201646224847.png?m=0.48247658065520227"><br><br><strong><span>2、</span></strong></div><div><strong><br></strong></div><div><strong></strong><strong><img src="//www.szxuexiao.com/uploadimages/2016/0406/201646225044.png?m=0.4656984549947083"><br></strong><br>(1)比例尺1:100是表示( &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;)&nbsp;<br><br>(2)量一量平面图中玲玲卧室的长是<span style="text-decoration:underline"><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span>厘米,宽是<span style="text-decoration:underline"><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span>厘米。<br><br>玲玲卧室实际的面积是多少平方米。<br><br>(3)玲玲家的总面积是多少平方米?<br><br>(4)玲玲在本子上画自己卧室的平面图,她用8厘米表示自己卧室的长。她画的平面图的比例尺是多少?<br><br><br></div></div>