2014年北师大版小学六年级数学上册第一单元测试题

<div style="text-align: center;"><font color="#ff0000">2014年北师大版小学六年级数学上册第一单元测试题</font></div><br><div style="text-align: center;"><span style="font-family: 宋体;">班</span><span style="font-family: 宋体;">级</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;姓名</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="font-family: 宋体;">&nbsp; &nbsp; 成绩</span><span style="text-decoration: underline; font-family: 宋体;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span></div><br><span style=" font-family: 宋体;">一、填空。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、用圆规画一个周长12.56厘米的圆,圆规两脚之间的距离是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)厘米,所画的圆的面积是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)平方厘米。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、圆的半径扩大3倍,直径扩大(&nbsp;&nbsp;)倍,周长扩大(&nbsp;&nbsp;)倍;面积扩大(&nbsp;&nbsp;)倍。</span><span style=" font-family: 宋体;">3</span><span style=" font-family: 宋体;">、在</span><span style=" font-family: 宋体;">同圆或等</span><span style=" font-family: 宋体;">圆中,圆的周长是直径的(&nbsp;)倍,</span><span style=" font-family: 宋体;">直径</span><span style=" font-family: 宋体;">是半径的(&nbsp;)倍</span><span style=" font-family: 宋体;">。周长计算公式用字母表示(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)或&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),圆的面积计算公式用字母表示是(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4、一个圆的半径是3厘米,它的直径是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)厘米,周长是(&nbsp;&nbsp;&nbsp;&nbsp;)厘米,面积是(&nbsp;&nbsp;&nbsp;&nbsp;)平方厘米。</span><br><br><span style=" font-family: 宋体;">5、在长8分米、宽6分米的长方形中画一个最大的圆,圆的周长(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)分米,面积是(&nbsp;&nbsp;&nbsp;&nbsp;)平方分米。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">6、一只挂钟的时针长9厘米,经过12小时后,它扫过的面积是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),时针针尖走过的路程是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">7、圆的半径是2厘米,如果半径增加到5厘米,那么圆的面积增加了(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)平方厘米,周长增加了(&nbsp;&nbsp;&nbsp;&nbsp;)厘米。</span><br><br><span style=" font-family: 宋体;">二、选择</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、画圆时,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)决定圆的位置,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)决定圆的大小。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A&nbsp;&nbsp;&nbsp;圆规&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B&nbsp;&nbsp;&nbsp;半径&nbsp;&nbsp;&nbsp;&nbsp;C&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;圆心&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D&nbsp;&nbsp;无法确定</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、周长相等的长方形、正方形和圆,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)面积最大,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)面积最小。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A&nbsp;&nbsp;&nbsp;长方形&nbsp;&nbsp;&nbsp;&nbsp;B&nbsp;&nbsp;&nbsp;正方形&nbsp;&nbsp;C&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;圆&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D&nbsp;&nbsp;无法确定</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">3、圆周率π的值(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A&nbsp;&nbsp;&nbsp;等于3.14&nbsp;&nbsp;&nbsp;B&nbsp;&nbsp;&nbsp;&nbsp;大于3.14&nbsp;&nbsp;&nbsp;&nbsp;C&nbsp;&nbsp;&nbsp;小于3.14</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">4、把一张圆形纸片沿半径平均分成若干份,拼成一个近似长方形,其周长(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A&nbsp;&nbsp;等于圆周长&nbsp;&nbsp;&nbsp;B&nbsp;&nbsp;大于圆周长&nbsp;&nbsp;&nbsp;&nbsp;C&nbsp;&nbsp;小于圆周长&nbsp;&nbsp;D&nbsp;&nbsp;&nbsp;无法比较</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">5、圆的直径扩大2倍,它的面积扩大(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span style=" font-family: 宋体;">A&nbsp;&nbsp;&nbsp;2倍&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4倍&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C&nbsp;&nbsp;&nbsp;&nbsp;6倍&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D&nbsp;&nbsp;&nbsp;无法确定</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">6、周长相等的两个圆的面积(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A&nbsp;&nbsp;&nbsp;相等&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B&nbsp;&nbsp;&nbsp;&nbsp;不相等&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C&nbsp;&nbsp;&nbsp;&nbsp;无法比较</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">7、</span><span style=" font-family: 宋体;">小明用一张长32厘米,宽20厘米的长方形纸,最多能剪(  )个半径是2厘米的圆形纸片.</span><span style=" font-family: 宋体;"></span><br><table><tbody><tr><td><br><span style=" font-family: 宋体;">A.50</span><span style=" font-family: 宋体;"></span><br></td><td><br><span style=" font-family: 宋体;">B.40</span><span style=" font-family: 宋体;"></span><br></td><td><br><span style=" font-family: 宋体;">C.160</span><span style=" font-family: 宋体;"></span><br></td></tr></tbody></table><br><span style=" font-family: 宋体;">8、大圆内有两个小圆,大圆的周长与两个小圆的周长之和相比(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span style=" font-family: 宋体;"></span><br><table style=" margin-left:-; "><tbody><tr style="height:; "><td style=" background:; "><br><span style=" font-family: 宋体;"><span style=" z-index:1; left:0px; "></span></span><span style=" font-family: 宋体;">A.大圆周长长&nbsp;&nbsp;&nbsp;&nbsp;B.同样长&nbsp;&nbsp;&nbsp;C.两个小圆周长之和长&nbsp;&nbsp;&nbsp;D.无法确定</span><span style=" font-family: 宋体;"></span><br></td></tr></tbody></table><br><span style=" font-family: 宋体;">9、一台拖拉机,后轮的直径是前轮的2倍,后轮转8圈,前轮转()圈。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">A&nbsp;、4圈&nbsp;&nbsp;&nbsp;B、8圈&nbsp;&nbsp;&nbsp;C、12圈&nbsp;&nbsp;&nbsp;D、16圈</span><br><br><span style=" font-family: 宋体;">三、判断题</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、圆的直径是半径的2倍。……………………………………………………(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">2、圆有无数条对称轴。………………………………………………………(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">3、半径2分米的圆的周长和面积一样大。…………………………………(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">四、操作题</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">画一个直径是2厘米的圆,并且用字母分别表示出半径、直径和圆心。</span><br><br><span style=" font-family: 宋体;">用圆规和直尺,在下面正方形中画一个最大的圆。</span><span style=" font-family: 宋体;"></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0929/2014929141021.jpg?m=0.4897850560955703"><br><br><span style=" font-family: 宋体;">画出下面图形的对称轴,有几条就画几条。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0929/2014929141116.jpg?m=0.7621059850789607"><br><br><span style=" font-family: 宋体;">五、求阴影部分面积:(单位:米)</span><span style=" font-family: 宋体;"></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0929/2014929141237.jpg?m=0.06657638098113239"><br><br><span style=" font-family: 宋体;">六、生活中的数学。</span><span style=" font-family: 宋体;"></span><br><br><span style=" font-family: 宋体;">1、一根长3米的绳子系着一只羊,栓在草地中央的树桩上,羊吃草的面积最多是多少平方米?</span><br><br><span style=" font-family: 宋体;">2、一个圆形喷水池的周长62.8米,在水池外边有一条0.5米宽的水泥路。路的面积是多少平方米?</span><br><br><span style=" font-family: 宋体;">3、小涛骑自行车去上学,要通过一座长1256米的桥,已知他的自行车外轮直径是0.8米,平均每分钟转100周,他通过这座桥需要多少分钟?</span><br><br><span style=" z-index:1; left:0px; "></span><span style=" font-family: 宋体;">4、求右图的周长和面积。</span><span style=" font-family: 宋体;"></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0929/2014929141414.jpg?m=0.7915247271303087"><br><br><span style=" font-family: 宋体;">5、</span><span style=" font-family: 宋体;">一块草地的形状如图的阴影部分,它的周长和面积各是多少?</span><span style=" font-family: 宋体;"></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0929/201492914157.jpg?m=0.1554355772677809"><br><br><br><span style=" font-family: 宋体;"><font color="#38761d">附加题</font></span><br><br><span style=" font-family: 宋体;">图中圆与长方形面积相等,长方形长6.28米。阴影部分面积多少平方米?</span><span style=" font-family: 宋体;"></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/0929/2014929141559.jpg?m=0.17433349648490548"><br><div><br></div>