2016年苏教版小学五年级数学上册《第二单元》测试试卷及答案

<div style="text-align: center;"><strong><font color="#ff0000">2016年苏教版小学五年级数学上册《第二单元》测试卷</font></strong></div><br><span><strong>一、填空题。</strong></span><br><br><span>1.</span><span>一张平行四边形纸片的底是</span><span>30</span><span>厘米</span><span>,</span><span>高是</span><span>14</span><span>厘米</span><span>,</span><span>它的面积是</span><span>(</span><span>  </span><span>)</span><span>平方厘米。如果将这张纸片剪成两个大小相等的三角形</span><span>,</span><span>每个三角形的面积是</span><span>(</span><span>  </span><span>)</span><span>平方厘米。</span><br><br><span>2.</span><span>一个三角形和一个平行四边形等底等高</span><span>,</span><span>如果这个三角形的面积是</span><span>54</span><span>平方分米</span><span>,</span><span>那么这个平行四边形的面积是</span><span>(</span><span>  </span><span>)</span><span>平方分米。</span><br><br><span>3.</span><span>一个梯形的上底与下底的和是</span><span>10</span><span>厘米</span><span>,</span><span>高是</span><span>4</span><span>厘米</span><span>,</span><span>它的面积是</span><span>(</span><span>  </span><span>)</span><span>平方厘米。</span><br><br><span>4.</span><span>把两个完全一样的梯形拼成一个平行四边形</span><span>,</span><span>这个平行四边形的底是</span><span>16</span><span>厘米</span><span>,</span><span>高是</span><span>5</span><span>厘米</span><span>,</span><span>每个梯形的面积是</span><span>(</span><span>  </span><span>)</span><span>平方厘米。</span><br><br><span>5.</span><span>一个近似于平行四边形的菜地</span><span>,</span><span>面积是</span><span>270</span><span>平方米</span><span>,</span><span>底是</span><span>30</span><span>米</span><span>,</span><span>高是</span><span>(</span><span>  </span><span>)</span><span>米。</span><br><br><strong><span>二、选择题。</span><span>(</span><span>把正确答案的序号填在括号里</span><span>)</span></strong><br><br><span>1.</span><span>用木条做成一个长方形框</span><span>,</span><span>把它拉成一个平行四边形后</span><span>,</span><span>它的面积</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.</span><span>比原来小</span><span>    </span><span>&nbsp;</span><span>B.</span><span>和原来相等</span><br><br><span>C.</span><span>比原来大</span><span>    </span><span>&nbsp;</span><span></span><span>D.</span><span>无法确定</span><br><br><span>2.</span><span>一个三角形和一个平行四边形的面积相等</span><span>,</span><span>底也相等</span><span>,</span><span>如果平行四边形的高是</span><span>12</span><span>厘米</span><span>,</span><span>那么三角形的高是</span><span>(</span><span>  </span><span>)</span><span>厘米。</span><br><br><span>A.6  </span><span>&nbsp;</span><span>B.12  </span><span>&nbsp;</span><span>C.24  </span><span>&nbsp;</span><span>D.144</span><br><br><span>3.①</span><span>和</span><span>②</span><span>都是平行四边形</span><span>,</span><span>那么</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155140.png?m=0.3329499130662432"><br><br><span>A.①</span><span>的面积</span><span>&gt;②</span><span>的面积</span><br><br><span>B.①</span><span>的面积</span><span>=②</span><span>的面积</span><br><br><span>C.①</span><span>的面积</span><span>&lt;②</span><span>的面积</span><br><br><span>D.</span><span>无法判断谁的面积大</span><br><br><span>4.</span><span>一个梯形的上底是</span><span>20</span><span>米</span><span>,</span><span>高是</span><span>15</span><span>米</span><span>,</span><span>下底是上底的</span><span>2</span><span>倍</span><span>,</span><span>这个梯形的面积是</span><span>(</span><span>  </span><span>)</span><span>平方米。</span><br><br><span>A.900</span><span></span><span>B.600</span><span></span><span>C.450</span><span></span><span>D.300</span><br><br><span>5.</span><span>求下图三角形面积的算式中</span><span>,</span><span>不正确的是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155221.png?m=0.5557960275795555"><br><br><span>A.</span><span>&nbsp;</span><em><span>a×b÷</span></em><span>2</span><span>   </span><span>&nbsp;</span><span>B.</span><span>&nbsp;</span><em><span>c×h÷</span></em><span>2</span><span>   </span><span>&nbsp;</span><br><br><span>C.</span><span>&nbsp;</span><em><span>c×a÷</span></em><span>2</span><span>    </span><span></span><span>D.</span><span>&nbsp;</span><em><span>b×a÷</span></em><span>2</span><br><strong><br><span>三、在下面的括号里填上合适的数。</span></strong><br><br><span>5</span><span>平方千米</span><span>=</span><span>(</span><span>   </span><span>)</span><span>公顷</span><br><br><span>9000</span><span>公顷</span><span>=</span><span>(</span><span>   </span><span>)</span><span>平方千米</span><br><br><span>2500</span><span>平方分米</span><span>=</span><span>(</span><span>   </span><span>)</span><span>平方米</span><br><br><span>70000</span><span>平方米</span><span>=</span><span>(</span><span>   </span><span>)</span><span>公顷</span><br><br><span><strong>四、按要求计算图形的面积。</strong></span><br><br><span>1.</span><span>计算下面各图形的面积。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155259.png?m=0.8977932672394349"><br><br><span>2.</span><span>计算下图的面积。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155335.png?m=0.17394737954566786"><br><strong><br><span>五、下面每个小方格表示</span><span>1</span><span>平方厘米</span><span>,</span><span>在图中画出面积是</span><span>6</span><span>平方厘米的平行四边形、三角形和梯形各一个。</span></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155411.png?m=0.05910720012900139"><br><br><span><strong>六、解决问题。</strong></span><br><br><span>1.</span><span>一块平行四边形玻璃的底为</span><span>3</span><span>米</span><span>,</span><span>高为</span><span>2</span><span>米</span><span>,</span><span>每平方米玻璃售价</span><span>98</span><span>元。买这块玻璃需要多少元</span><span>?</span><br><br><span>2.</span><span>一架直升机在一片梯形松树林</span><span>(</span><span>如下图</span><span>)</span><span>上空喷洒药水。这片松树林的面积是多少平方千米</span><span>?</span><span>合多少公顷</span><span>?</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155453.png?m=0.6592038352336926"><br><br><span>3.</span><span>一个梯形的上底是</span><span>9</span><span>厘米</span><span>,</span><span>比下底短</span><span>3</span><span>厘米</span><span>,</span><span>高是</span><span>10</span><span>厘米</span><span>,</span><span>它的面积是多少平方厘米</span><span>?</span><span></span><br><br><span>4.</span><span>一个梯形的面积是</span><span>80</span><span>平方厘米</span><span>,</span><span>上底与下底的和是</span><span>20</span><span>厘米</span><span>,</span><span>这个梯形的高是多少厘米</span><span>?</span><span>&nbsp;</span><br><span><br></span><div><span>5.</span><span>这堆圆木一共有多少根</span><span>?</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155546.png?m=0.17587520380916843"><br><span>6.</span><span>沙漏是古代的一种计量时间的工具。你能算出如图所示沙漏截面的面积吗</span><span>?(</span><span>单位</span><span>:</span><span>毫米</span><span>)</span><span>&nbsp;</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155713.png?m=0.09205568564874578"><br><strong><br><span>七、动脑筋</span><span>,</span><span>做一做。</span></strong><br><br><span>下图中</span><span>,</span><span>甲三角形的面积比乙三角形的面积小多少平方厘米</span><span>?(</span><span>单位</span><span>:</span><span>厘米</span><span>)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0927/2016927155747.png?m=0.17769378490476329"><br><br><span>&nbsp;</span><br><div style="text-align: center;"><strong><font color="#38761d"><br></font></strong></div><strong><div style="text-align: center;"><strong><font color="#38761d">2016年苏教版小学五年级数学上册《第二单元》测试卷答案</font></strong></div></strong><br><span>一、</span><span>1</span><span>.</span><span>&nbsp;</span><span>420 210 </span><span>2</span><span>.</span><span>&nbsp;</span><span>108 </span><span>3</span><span>.</span><span>&nbsp;</span><span>20 </span><span>4</span><span>.</span><span>&nbsp;</span><span>40 </span><span>5</span><span>.</span><span>&nbsp;</span><span>9</span><br><br><span>二、</span><span>1</span><span>.A </span><span>2</span><span>.C </span><span>3</span><span>.B </span><span>4</span><span>.C </span><span>5</span><span>.C</span><br><br><span>三、</span><span>500 90 25 7</span><br><br><span>四、</span><span>1</span><span>.30cm</span><sup><span style=" vertical-align: super;">2</span></sup><span> 154cm</span><sup><span style=" vertical-align: super;">2</span></sup><span> </span><span>2</span><span>.75m</span><sup><span style=" vertical-align: super;">2</span></sup><br><br><span>五、</span><span>略</span><br><br><span>六、</span><span>1</span><span>.</span><span>&nbsp;</span><span>3×2×98=588</span><span>(</span><span>元</span><span>)</span><br><br><span>2</span><span>.</span><span>(</span><span>6+4</span><span>)</span><span>×3÷2=15</span><span>(</span><span>平方千米</span><span>)</span><br><br><span>15</span><span>平方千米</span><span>=1500</span><span>公顷</span><br><br><span>3</span><span>.</span><span>&nbsp;</span><span>(</span><span>9+3+9</span><span>)</span><span>×10÷2=105</span><span>(</span><span>平方厘米</span><span>)</span><br><br><span>4</span><span>.</span><span>&nbsp;</span><span>80×2÷20=8</span><span>(</span><span>厘米</span><span>)</span><br><br><span>5</span><span>.</span><span>&nbsp;</span><span>(</span><span>4+10</span><span>)</span><span>×7÷2=49</span><span>(</span><span>根</span><span>)</span><br><br><span>6</span><span>.</span><span>(</span><span>66-6</span><span>)</span><span>÷2=30</span><span>(</span><span>毫米</span><span>)</span><br><br><span>(</span><span>40+4</span><span>)</span><span>×30÷2×2+4×6=1344</span><span>(</span><span>平方毫米</span><span>)</span><br><br><span>七、</span><span>10×7÷2-10×5÷2=10</span><span>(</span><span>平方厘米</span><span>)</span><br><br></div>