2016年小学四年级数学《第四单元》测试试卷及答案

<div style="text-align: center;"><strong><font color="#ff0000">2016年人教版小学四年级数学《第四单元》测试卷</font></strong></div><br><span><strong>一、看图填空。</strong></span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017143932.png?m=0.597537143694582"><br><br><span>1.</span><span>图中纵轴每格代表</span><span>(</span><span>  </span><span>)</span><span>人。</span><br><br><span>2.</span><span>参加</span><span>(</span><span>  </span><span>)</span><span>组的人数最多</span><span>,</span><span>参加</span><span>(</span><span>  </span><span>)</span><span>组的人数最少。</span><br><br><span>3.</span><span>舞蹈组的人数比武术组多</span><span>(</span><span>  </span><span>)</span><span>人。</span><br><br><span>4.</span><span>青少年活动中心这</span><span>5</span><span>个小组共有</span><span>(</span><span>  </span><span>)</span><span>人。</span><span>(</span><span>每人只允许参加一个活动小组</span><span>)</span><br><br><span>5.</span><span>平均每个小组有</span><span>(</span><span>  </span><span>)</span><span>人。</span><br><br><strong><span>二、判断题。</span><span>(</span><span>对的画“√</span><span>”</span><span>,</span><span>错的画“</span><span>×</span><span>”</span><span>)</span></strong><br><br><span>1.</span><span>学校舞蹈队队员的平均身高是</span><span>135</span><span>厘米</span><span>,</span><span>说明舞蹈队队员的身高没有高于</span><span>135</span><span>厘米的。</span><span>(</span><span>  </span><span>)</span><br><br><span>2.</span><span>四年级一班的数学平均成绩是</span><span>93</span><span>分。四年级一班肯定没有不及格的。</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>3.</span><span>四年级一班和四年级二班的同学为希望小学共捐书</span><span>200</span><span>本。四年级一班的同学捐的书有可能超过</span><span>100</span><span>本。</span><span>(</span><span>  </span><span>)</span><br><br><span>4.</span><span>魏晶晶班数学月考平均</span><span>95</span><span>分。魏晶晶的月考成绩不是低于</span><span>95</span><span>分</span><span>,</span><span>就是高于</span><span>95</span><span>分。</span><span>(</span><span>  </span><span>)</span><br><br><span>5.</span><span>四年级三班在一年</span><span>4</span><span>个季度内平均每个季度都有</span><span>9</span><span>人过生日。说明四年级三班每个季度都有</span><span>9</span><span>人过生日。</span><span>(</span><span>  </span><span>)</span><br><br><span><strong>三、动手操作。</strong></span><br><br><span>1.</span><span>小强和小文去动物园调查了上星期每天游客人数</span><span>,</span><span>统计表如下</span><span>:</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144116.png?m=0.7248438995608277"><br><br><span>(</span><span>1</span><span>)</span><span>根据统计表绘制统计图。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144156.png?m=0.677981098141915"><br><br><span>(</span><span>2</span><span>)</span><span>哪一天游客人数最多</span><span>?</span><span>可能的原因是什么</span><span>?</span><br><br><span>(</span><span>3</span><span>)</span><span>哪一天游客人数最少</span><span>?</span><span>与人数最多那一天相差多少</span><span>?</span><br><br><span>2.</span><span>奇奇调查同学们最喜欢喝的饮料</span><span>,</span><span>记录如下</span><span>:</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/2016101714431.png?m=0.048328903021627845"><br><span><br></span><div><span>(</span><span>1</span><span>)</span><span>请根据调查记录完成下面的统计表。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144358.png?m=0.7741338337140664"><br><br></div><div><span>(</span><span>2</span><span>)</span><span>请根据调查记录完成下面的统计图。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144439.png?m=0.3182206528368354"><br><br><span>(</span><span>3</span><span>)</span><span>根据统计图进行分析</span><span>:</span><span>统计图每</span><span>1</span><span>格表示</span><span>(</span><span>  </span><span>)</span><span>人</span><span>;</span><span>最喜欢喝</span><span>(</span><span>  </span><span>)</span><span>的人数最多</span><span>,</span><span>有</span><span>(</span><span>  </span><span>)</span><span>人</span><span>;</span><span>最喜欢喝</span><span>(</span><span>  </span><span>)</span><span>的人数最少</span><span>,</span><span>只有</span><span>(</span><span>  </span><span>)</span><span>人。</span><br><br><span>3.</span><span>下面是四年级二班学生作业成绩单。</span><span>(</span><span>单位</span><span>:</span><span>分</span><span>)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144529.png?m=0.025860649904427158"><br><br><span>(</span><span>1</span><span>)</span><span>用画“正”字的方法整理数据。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/2016101714469.png?m=0.10059139501048864"><br><br><span>(</span><span>2</span><span>)</span><span>完成下面的统计表。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144657.png?m=0.38663815741123075"><br><br><span><strong>四、解决问题。</strong></span><br><br><span>1.</span><span>四年级一班第一小组有</span><span>5</span><span>个同学</span><span>,</span><span>第二小组有</span><span>6</span><span>个同学。下面是两组同学身高的统计表</span><span>(</span><span>单位</span><span>:</span><span>厘米</span><span>),</span><span>求出每组同学的平均身高。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144744.png?m=0.4058528111443247"><br><br><span>2.</span><span>小明很喜欢玩电脑</span><span>,</span><span>但他爸爸要求小明一星期平均每天玩电脑的时间不超过</span><span>1</span><span>小时</span><span>,</span><span>他想说服爸爸增加时间</span><span>,</span><span>于是对班级部分同学从星期日到星期六平均每天玩电脑的时间做了调查</span><span>,</span><span>下面是他画的统计图。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144826.png?m=0.2743255991068416"><br><br><span>(</span><span>1</span><span>)</span><span>这是</span><span>(</span><span>   </span><span>)</span><span>统计图</span><span>,</span><span>它的优点是</span><span>(</span><span>        </span><span>)</span><span>。</span><br><br><span>(</span><span>2</span><span>)</span><span>根据以上的调查统计</span><span>,</span><span>你认为小明想要增加玩电脑的理由充分吗</span><span>?</span><span>为什么</span><span>?</span><br><br><span>3.</span><span>中心小学有</span><span>6</span><span>个班参加了植树活动。第一天植树</span><span>34</span><span>棵</span><span>,</span><span>第二天植树</span><span>41</span><span>棵</span><span>,</span><span>第三天植树</span><span>39</span><span>棵。平均每天植树多少棵</span><span>?</span><span>平均每班植树多少棵</span><span>?</span><br><br><span>4.</span><span>敬老院有</span><span>18</span><span>位老奶奶</span><span>,</span><span>平均年龄是</span><span>75</span><span>岁。有</span><span>12</span><span>位老爷爷</span><span>,</span><span>平均年龄是</span><span>70</span><span>岁。这些老人的平均年龄是多少岁</span><span>?</span><br><br><span>5.</span><span>下面是某超市部分商品日销售额记录单。</span><span></span><br><br><span><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017144935.png?m=0.6147214767851166"><br></span></div><div><span><br></span></div><div><span>(</span><span>1</span><span>)</span><span>把上面的商品按要求分类整理</span><span>,</span><span>完成下面的统计表。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017145053.png?m=0.2536977209179567"><br><span><br></span></div><div><span>(</span><span>2</span><span>)</span><span>根据上面的统计表制成统计图。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017145134.png?m=0.49676385636207065"><br><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年人教版小学四年级数学《第四单元》测试卷答案</font></strong></div></strong><br><span>一、</span><span>1</span><span>.</span><span>&nbsp;</span><span>10 </span><span>2</span><span>.</span><span>&nbsp;书法</span><span> </span><span>京剧</span><span> </span><span>3</span><span>.</span><span>&nbsp;</span><span>2 </span><span>4</span><span>.</span><span>&nbsp;</span><span>190 </span><span>5</span><span>.</span><span>&nbsp;</span><span>38</span><br><br><span>二、</span><span>1</span><span>.</span><span>&nbsp;</span><span>&#10005;</span><span> </span><span>2</span><span>.</span><span>&nbsp;</span><span>&#10005;</span><span> </span><span>3</span><span>.</span><span>&nbsp;</span><span>√</span><span> </span><span>4</span><span>.</span><span>&nbsp;</span><span>&#10005;</span><span> </span><span>5</span><span>.</span><span>&nbsp;</span><span>&#10005;</span><br><br><span>三、</span><span>1</span><span>.</span><span>&nbsp;</span><span>(</span><span>1</span><span>)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/2016101714541.png?m=0.3780379767318711"><br><br><span>(</span><span>2</span><span>)</span><span>星期六</span><span> </span><span>原因可能是周末人们都休息。</span><br><br><span>(</span><span>3</span><span>)</span><span>星期一</span><span> 8000-1000=7000</span><span>(</span><span>人</span><span>)</span><br><br><span>2</span><span>.</span><span>&nbsp;</span><span>(</span><span>1</span><span>)</span><span>8 6 10 16</span><br><br><span>(</span><span>2</span><span>)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/2016101714558.png?m=0.9341643249814706"><br><br><span>(</span><span>3</span><span>)</span><span>2 </span><span>橙汁</span><span> 16 </span><span>可乐</span><span> 6</span><br><br><span>3</span><span>.</span><span>&nbsp;</span><span>(</span><span>1</span><span>)</span><br><span><br></span></div><div><span><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017145548.png?m=0.9496656096919398"><br></span></div><div><span><br></span></div><div><span>(</span><span>2</span><span>)</span><span>30 10 11 5 4</span><br><br><span>四、</span><span>1</span><span>.</span><span>&nbsp;一组</span><span>:(</span><span>136+142+135+137+145</span><span>)</span><span>÷5=139</span><span>(</span><span>厘米</span><span>)</span><br><br><span>二组</span><span>:(</span><span>132+141+138+145+135+143</span><span>)</span><span>÷6=139</span><span>(</span><span>厘米</span><span>)</span><br><br><span>2</span><span>.</span><span>&nbsp;</span><span>(</span><span>1</span><span>)</span><span>条形</span><span> </span><span>较容易比较数量之间的多少</span><br><br><span>(</span><span>2</span><span>)(</span><span>85+25+38+60+39+52+65</span><span>)</span><span>÷7=52</span><span>(</span><span>分</span><span>)</span><span> 1</span><span>小时</span><span>=60</span><span>分钟</span><br><br><span>52&lt;60</span><span>;</span><span>其他同学平均每天玩电脑的时间不超过</span><span>1</span><span>小时</span><span>,</span><span>小明的理由不充分。</span><br><br><span>3</span><span>.</span><span>&nbsp;</span><span>(</span><span>34+41+39</span><span>)</span><span>÷3=38</span><span>(</span><span>棵</span><span>)</span><br><br><span>(</span><span>34+41+39</span><span>)</span><span>÷6=19</span><span>(</span><span>棵</span><span>)</span><br><br><span>4</span><span>.</span><span>&nbsp;</span><span>(</span><span>75×18+70×12</span><span>)</span><span>÷</span><span>(</span><span>18+12</span><span>)</span><span>=73</span><span>(</span><span>岁</span><span>)</span><br><br><span>5</span><span>.</span><span>&nbsp;</span><span>(</span><span>1</span><span>)</span><span>396 450 155 342</span><br><br><span>(</span><span>2</span><span>)</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017145645.png?m=0.783078333916182"></div><div><br><br><div style="text-align: center;"><strong><font color="#ff0000">2016年苏教版小学四年级数学《第四单元》测试卷</font></strong></div></div><div><span><strong><br></strong></span></div><div><span><strong>一、填空题。</strong></span><br><br><span>1.</span><span>&nbsp;混合运算的运算顺序</span><span>:</span><span>在一个没有括号的算式里</span><span>,</span><span>既有加、减法</span><span>,</span><span>又有乘、除法</span><span>,</span><span>要先算</span><span>(</span><span>    </span><span>),</span><span>后算</span><span>(</span><span>    </span><span>);</span><span>在有小括号的算式里</span><span>,</span><span>要先算</span><span>(</span><span>   </span><span>),</span><span>后算</span><span>(</span><span>   </span><span>);</span><span>既有小括号</span><span>,</span><span>又有中括号</span><span>,</span><span>要先算</span><span>(</span><span>    </span><span>),</span><span>后算</span><span>(</span><span>    </span><span>)</span><span>。</span><br><br><span>2.</span><span>&nbsp;计算</span><span>(</span><span>76-24</span><span>)</span><span>×</span><span>(</span><span>15+26</span><span>)</span><span>时</span><span>,</span><span>应当同时计算</span><span>(</span><span>  </span><span>)</span><span>法和</span><span>(</span><span>  </span><span>)</span><span>法</span><span>,</span><span>再计算</span><span>(</span><span>  </span><span>)</span><span>法。</span><br><br><span>3.</span><span>&nbsp;在□</span><span>里填上适当的数</span><span>,</span><span>使这个算式能简便计算。</span><br><br>□<span>×57+57×56  176+87+</span>□<br><br>□<span>×</span>□-99×72 &nbsp; 36×52+□×52</div><div><br><strong><span>二、判断题。</span><span>(</span><span>对的画“</span><span>√</span><span>”</span><span>,</span><span>错的画“</span><span>&#10005;</span><span>”</span><span>)</span></strong><br><br><span>1.</span><span>&nbsp;</span><span>202×45=200×45+2</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>2.</span><span>&nbsp;</span><span>18×45+18×55=18×</span><span>(</span><span>45+55</span><span>)</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>3.</span><span>&nbsp;</span><span>96×</span><span>(</span><span>101-1</span><span>)</span><span>=96×101-96</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>4.</span><span>&nbsp;</span><span>125×32×25=125×8+25×4</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>5.</span><span>&nbsp;</span><span>36×18+36÷12=36×</span><span>(</span><span>18+12</span><span>)</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>6.</span><span>&nbsp;应用运算律一定能使计算简便。</span><span></span><span>(</span><span>  </span><span>)</span><br><br><strong><span>三、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>&nbsp;</span><span>204×25</span><span>的简便算法是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.</span><span>&nbsp;</span><span>200+4×25</span><br><br><span>B.</span><span>&nbsp;</span><span>200×25+4×25</span><br><br><span>C.</span><span>&nbsp;</span><span>200×</span><span>(</span><span>4×25</span><span>)</span><br><br><span>2.</span><span>&nbsp;</span><span>36×4×5</span><span>的简便算法是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.</span><span>&nbsp;</span><span>36×</span><span>(</span><span>4×5</span><span>)</span><br><br><span>B.</span><span>&nbsp;</span><span>(</span><span>36+4</span><span>)</span><span>×5</span><br><br><span>C.</span><span>&nbsp;</span><span>(</span><span>36×4</span><span>)</span><span>×5</span><br><br><span>3.</span><span>&nbsp;下面的算式中</span><span>,(</span><span>  </span><span>)</span><span>运用了乘法结合律。</span><br><br><span>A.</span><span>&nbsp;</span><span>48+62+38=48+</span><span>(</span><span>62+38</span><span>)</span><br><br><span>B.</span><span>&nbsp;</span><span>34×125×8=34×</span><span>(</span><span>125×8</span><span>)</span><br><br><span>C.</span><span>&nbsp;</span><span>37+63×4=</span><span>(</span><span>37+63</span><span>)</span><span>×4</span><br><br><span>4.</span><span>&nbsp;去掉括号</span><span>,</span><span>得数不改变的算式是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.</span><span>&nbsp;</span><span>32×</span><span>(</span><span>15×7</span><span>)</span><span>-214</span><br><br><span>B.</span><span>&nbsp;</span><span>32×</span><span>(</span><span>15+7</span><span>)</span><span>-214</span><br><br><span>C.</span><span>&nbsp;</span><span>32×</span><span>(</span><span>15-7</span><span>)</span><span>-214</span><br><br><span>5.</span><span>运用</span><span>(</span><span>  </span><span>)</span><span>可以使</span><span>(</span><span>125×99+125</span><span>)</span><span>×16</span><span>&nbsp;简便运算。</span><br><br><span>A.</span><span>&nbsp;乘法结合律</span><br><br><span>B.</span><span>&nbsp;乘法分配律</span><br><br><span>C.</span><span>&nbsp;乘法结合律与乘法分配律同时运用</span><br><strong><br><span>四、计算题。</span></strong><br><br><span>1.</span><span>直接写得数。</span><br><br><span>88-28÷4=    </span><span>(</span><span>49-49</span><span>)</span><span>×49=</span><br><br><span>32×2÷8=</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>40+200÷5=</span><br><br><span>125×80=</span><span></span><span>&nbsp; &nbsp; &nbsp;&nbsp;</span><span>154-54=</span><br><br><span>2.</span><span>用简便方法计算。</span><br><br><span>204×15      72×99+72</span><br><br><br><span>5×38×4×5</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>125×79</span><br><br><br><span>67×101-67</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span></span><span>&nbsp;</span><span>63×99</span><br><br><span><strong>五、解决问题。</strong></span><br><br><span>1.</span><span>自行车厂装配一批自行车</span><span>,</span><span>原计划每天装</span><span>25</span><span>辆</span><span>,</span><span>需要</span><span>40</span><span>天完成。由于提高效率</span><span>,</span><span>实际</span><span>8</span><span>天完成</span><span>,</span><span>实际每天装多少辆</span><span>?</span><br><br><span>2.</span><span>下面三种球各买一个</span><span>,</span><span>一共付多少元</span><span>?</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/2016101715249.png?m=0.45675865277752403"><br><br><span>3.</span><span>&nbsp;永发超市运来</span><span>4</span><span>箱毛巾</span><span>,</span><span>每包</span><span>5</span><span>条。一共运来多少条毛巾</span><span>?</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/2016101715512.png?m=0.1299681397274124"><br><br><span>4.</span><span>&nbsp;师傅和徒弟同时加工一种机器零件。师傅每时加工</span><span>42</span><span>个</span><span>,</span><span>徒弟每时加工</span><span>25</span><span>个。</span><span>4</span><span>时后</span><span>,</span><span>师傅和徒弟一共加工多少个零件</span><span>?</span><br><br><span>5.</span><span>&nbsp;学校为</span><span>8</span><span>个班各配备了一台饮水机和一个纸篓</span><span>,</span><span>一共花了多少元</span><span>?</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/201610171563.png?m=0.4857291559754213"><br><br><span>6.</span><span>&nbsp;合唱组有</span><span>84</span><span>人</span><span>,</span><span>合唱组的人数是美术组的几倍</span><span>?</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/2016101715640.png?m=0.4639422737187926"><br><br><br><div style="text-align: center;"><strong><font color="#38761d">2016年苏教版小学四年级数学《第四单元》测试卷答案</font></strong></div><br><span>一、</span><span>1</span><em><span>.</span></em><span>&nbsp;乘、除法</span><em><span> </span></em><span>加、减法</span><em><span> </span></em><span>小括号里面的</span><br><br><span>小括号外面的</span><em><span> </span></em><span>小括号里面的</span><em><span> </span></em><span>中括号里面的</span><br><br><span>2</span><em><span>.</span></em><span>&nbsp;减</span><em><span> </span></em><span>加</span><em><span> </span></em><span>乘</span><br><br><span>3</span><em><span>.</span></em><span>&nbsp;</span><span>44</span><em><span> </span></em><span>24</span><em><span> </span></em><span>99</span><em><span> </span></em><span>172</span><em><span> </span></em><span>64</span><span>(</span><span>答案不唯一</span><span>)</span><br><br><span>二、</span><span>1</span><em><span>.</span></em><span>&nbsp;</span><span>&#10005;</span><em><span> </span></em><span>2</span><em><span>.</span></em><span>&nbsp;</span><span>√</span><em><span> </span></em><span>3</span><em><span>.</span></em><span>&nbsp;√</span><em><span> </span></em><span>4</span><em><span>.</span></em><span>&nbsp;</span><span>&#10005;</span><em><span> </span></em><span>5</span><em><span>.</span></em><span>&nbsp;</span><span>&#10005;</span><em><span> </span></em><span>6</span><em><span>.</span></em><span>&nbsp;</span><span>&#10005;</span><br><br><span>三、</span><span>1</span><em><span>.</span></em><span>&nbsp;</span><span>B </span><span>2</span><span>.</span><span>&nbsp;</span><span>A </span><span>3</span><span>.</span><span>&nbsp;</span><span>B </span><span>4</span><span>.</span><span>&nbsp;</span><span>A </span><span>5</span><span>.</span><span>&nbsp;</span><span>C</span><br><br><span>四、</span><span>1</span><em><span>.</span></em><span>&nbsp;</span><span>81</span><em><span> </span></em><span>0</span><em><span> </span></em><span>8</span><em><span> </span></em><span>80</span><em><span> </span></em><span>10000</span><em><span> </span></em><span>100</span><br><br><span>2</span><em><span>.</span></em><span>&nbsp;</span><span>3060</span><em><span> </span></em><span>7200</span><em><span> </span></em><span>3800</span><em><span> </span></em><span>9875</span><em><span> </span></em><span>6700</span><em><span> </span></em><span>6237</span><br><br><span>五、</span><span>1</span><em><span>.</span></em><span>&nbsp;</span><span>25</span><em><span>×</span></em><span>40</span><em><span>÷</span></em><span>8</span><em><span>=</span></em><span>125</span><span>(</span><span>辆</span><span>)</span><br><br><span>2</span><em><span>.</span></em><span>&nbsp;</span><span>64</span><em><span>+</span></em><span>78</span><em><span>+</span></em><span>36</span><em><span>=</span></em><span>178</span><span>(</span><span>元</span><span>)</span><br><br><span>3</span><em><span>.</span></em><span>&nbsp;</span><span>4</span><em><span>×</span></em><span>(</span><span>22</span><em><span>×</span></em><span>5</span><span>)</span><em><span>=</span></em><span>440</span><span>(</span><span>条</span><span>)</span><br><br><span>4</span><em><span>.</span></em><span>&nbsp;</span><span>(</span><span>42</span><em><span>+</span></em><span>25</span><span>)</span><em><span>×</span></em><span>4</span><em><span>=</span></em><span>268</span><span>(</span><span>个</span><span>)</span><br><br><span>5</span><em><span>.</span></em><span>&nbsp;</span><span>(</span><span>125</span><em><span>+</span></em><span>5</span><span>)</span><em><span>×</span></em><span>8</span><em><span>=</span></em><span>1040</span><span>(</span><span>元</span><span>)</span><br><br><span>6</span><em><span>.</span></em><span>&nbsp;</span><span>84</span><em><span>÷</span></em><span>[(</span><span>8</span><em><span>+</span></em><span>6</span><span>)</span><em><span>×</span></em><span>2</span><span>]</span><em><span>=</span></em><span>3</span><br><br><br><div style="text-align: center;"><strong><font color="#ff0000">2016年北师大版小学四年级数学《第四单元》测试卷</font></strong></div><br><span><strong>一、填空题。</strong></span><br><br><span>1.</span><span>(</span><span>  </span><span>)</span><span>∶24=</span>(  )/4=2÷(  )=0.5</div><div><br><span>2.</span><span>将</span><span>8∶13</span><span>的前项扩大到原来的</span><span>4</span><span>倍</span><span>,</span><span>要使比值不变</span><span>,</span><span>后项应增加</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>3.</span><span>甲数是乙数的</span><span>1.25</span><span>倍</span><span>,</span><span>甲数与乙数的最简单的整数比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>4.</span><span>某养鸡场公鸡的只数是母鸡的</span><span>,</span><span>公鸡与母鸡的只数比是</span><span>(</span><span>  </span><span>),</span><span>公鸡占鸡总只数的</span>(  )/(  )。</div><div><br><span>5.</span><span>一个三角形的三个内角的度数比是</span><span>3∶2∶1</span><span>,</span><span>这个三角形内最大的角的度数是</span><span>(</span><span>  </span><span>),</span><span>这是一个</span><span>(</span><span>  </span><span>)</span><span>三角形。</span><br><br><span>6.</span><span>两个正方体的棱长的比是</span><span>2∶3</span><span>,</span><span>棱长总和的比是</span><span>(</span><span>  </span><span>),</span><span>表面积的比是</span><span>(</span><span>  </span><span>),</span><span>体积的比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>7.</span><span>月季花朵数的</span><span>是玫瑰花朵数的</span><span>,</span><span>玫瑰花的朵数与月季花的朵数的比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>8.</span><span>从甲地到乙地</span><span>,</span><span>小王要</span><span>50</span><span>分钟</span><span>,</span><span>小李要</span><span>60</span><span>分钟</span><span>,</span><span>小王和小李所用时间的比是</span><span>(</span><span>  </span><span>),</span><span>小李和小王的速度比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><strong><span>二、判断题。</span><span>(</span><span>对的画“</span><span>√</span><span>”</span><span>,</span><span>错的画“</span><span>&#10005;</span><span>”</span><span>)</span></strong><br><br><span>1.</span><span>比的前项和后项同时乘或除以同一个数</span><span>,</span><span>比值不变。</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>2.</span><span>甲数是乙数的2/3</span><span>,</span><span>甲数与乙数的比值就是2/3</span><span>。</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>3.</span><span>比值是</span><span>0.75</span><span>的比有无数个。</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>4.5</span><span>分</span><span>∶0.6</span><span>时</span><span>,</span><span>化简后的比是</span><span>5∶6</span><span>。</span><span></span><span>(</span><span>  </span><span>)</span><br><br><span>5.</span><span>被减数与差的比是</span><span>8∶5</span><span>,</span><span>减数与差的比是</span><span>3∶5</span><span>。</span><span></span><span>(</span><span>  </span><span>)</span><br><strong><br><span>三、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>一本书</span><span>,</span><span>已看了总页数的3/5</span><span>,</span><span>剩下的页数与已看的页数的比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.3∶5  </span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B.2∶5 </span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span> </span><span>&nbsp;&nbsp;</span><span>C.2∶3</span><br><br><span>2.</span><span>一个平行四边形与一个三角形的底的比是</span><span>1∶2</span><span>,</span><span>高的比是</span><span>1∶2</span><span>,</span><span>面积的比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.1∶1</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B.1∶2</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>C.1∶4</span><br><br><span>3.</span><span>某工厂从甲车间调出1/10</span><span>的人给乙车间</span><span>,</span><span>甲、乙两车间的人数正好相等。原来甲、乙两车间的人数比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.10∶9</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B.5∶4</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>C.11∶10</span><br><br><span>4.120</span><span>克盐水中含盐</span><span>20</span><span>克</span><span>,</span><span>盐与水的质量比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.1∶5</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B.1∶6</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>C.5∶6</span><br><br><span>5.</span><span>同修一条路</span><span>,</span><span>甲队</span><span>2</span><span>小时修</span><span>7</span><span>千米</span><span>,</span><span>乙队</span><span>3</span><span>小时修</span><span>10</span><span>千米</span><span>,</span><span>甲、乙两队的工作效率的比是</span><span>(</span><span>  </span><span>)</span><span>。</span><br><br><span>A.20∶21</span><span>&nbsp;&nbsp;</span><span></span><span>&nbsp;&nbsp;&nbsp;</span><span>B.21∶20</span><span>&nbsp;&nbsp;&nbsp;</span><span></span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>C.7∶10</span><br><strong><br><span>四、先化简下面各比</span><span>,</span><span>再求比值。</span></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/20161017151250.png?m=0.9227836238124485"><br><br><span><strong>五、解决问题。</strong></span><br><br><span>1.</span><span>王大爷栽了杨树和柳树共</span><span>400</span><span>棵</span><span>,</span><span>杨树与柳树棵数的比是</span><span>5∶3</span><span>,</span><span>杨树、柳树各栽了多少棵</span><span>?</span><br><br><span>2.</span><span>某种混凝土是黄沙、水泥和石子按</span><span>4∶3∶5</span><span>搅拌而成的</span><span>,</span><span>一个建筑工地需混凝土</span><span>60</span><span>吨</span><span>,</span><span>需黄沙、水泥、石子各多少吨</span><span>?</span><br><br><span>3.</span><span>一种药水是药粉和水按</span><span>1∶30</span><span>的比配成的</span><span>,</span><span>现在有药粉</span><span>30</span><span>千克</span><span>,</span><span>可以配制多少千克的药水</span><span>?</span><br><br><span>4.</span><span>小明的妈妈按同样的比准备</span><span>420</span><span>克早餐</span><span>,</span><span>各种食物分别要准备多少克</span><span>?</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/1017/2016101715145.png?m=0.1590471540319116"><br><br><span>5.</span><span>甲、乙两车分别从相距</span><span>560</span><span>千米的两地相对开出</span><span>,</span><span>经过</span><span>8</span><span>小时相遇</span><span>,</span><span>已知两车的速度比是</span><span>4∶3</span><span>,</span><span>&nbsp;两车的速度各是多少</span><span>?</span><br><br><span>6.</span><span>图书室买来</span><span>540</span><span>本新书</span><span>,</span><span>其中</span><span>是连环画</span><span>,</span><span>其余的是文艺书和科技书</span><span>,</span><span>文艺书和科技书的本数的比是</span><span>3∶2</span><span>。三种书各有多少本</span><span>?</span><br><br><span><strong>六、附加题。</strong></span><br><br><span>一瓶盐水</span><span>,</span><span>盐和水的质量比是</span><span>1∶24</span><span>,</span><span>如果再放入</span><span>75</span><span>克水</span><span>,</span><span>那么盐和水的质量比是</span><span>1∶27</span><span>,</span><span>原来瓶内的盐水有多少克</span><span>?</span><br><span>&nbsp;</span><br><br><div style="text-align: center;"><strong><font color="#38761d">2016年北师大版小学四年级数学《第四单元》测试卷参考答案</font></strong></div><br><span>一、</span></div><div><span>1</span>、<span>12 2 &nbsp;4</span></div><div><span><br></span></div><div><span>2</span>、<span>39</span></div><div><span><br></span></div><div><span>3</span>、<span>5∶4</span></div><div><span><br></span></div><div><span>4</span>、<span>3∶5 &nbsp;3/8</span></div><div><span><br></span></div><div><span>5</span>、<span>90°</span><span>&nbsp;&nbsp;</span><span>直角</span></div><div><span><br></span></div><div><span>6</span>、<span>2∶3 4∶9 8∶27</span></div><div><span><br></span></div><div><span>7</span>、<span>9∶10</span></div><div><span><br></span></div><div><span>8</span>、<span>5∶6 5∶6</span><br><br><span>二、</span><span>1</span><span>.</span><span>&#10005;</span><span> </span><span>2</span><span>.</span><span>√</span><span> </span><span>3</span><span>.</span><span>√</span><span> </span><span>4</span><span>.</span><span>&#10005;</span><span> </span><span>5</span><span>.</span><span>√</span><br><br><span>三、</span><span>1</span><span>.C </span><span>2</span><span>.B </span><span>3</span><span>.B </span><span>4</span><span>.A </span><span>5</span><span>.B</span><br><br><span>四、</span><span>5∶2 5/2</span><span> 1∶4 1/4</span><span> 7∶6 7/6</span><span> 3∶1 3</span><span>&nbsp;</span></div><div><span><br></span></div><div><span>7∶1 7 1∶3 1/3</span><span> 7∶2 7/2</span><span> 5∶1 5</span><br><br><span>五、</span><span>1</span><span>.5+3=8 </span><span>杨树</span><span>:</span><span>400×</span><span>=250</span><span>(</span><span>棵</span><span>)</span><br><br><span>柳树</span><span>:</span><span>400×</span><span>=150</span><span>(</span><span>棵</span><span>)</span><br><br><span>2</span><span>.4+3+5=12 </span><span>黄沙</span><span>:</span><span>60×4/12</span><span>=20</span><span>(</span><span>吨</span><span>)</span><br><br><span>水泥</span><span>:</span><span>60×3/12</span><span>=15</span><span>(</span><span>吨</span><span>)</span><span> </span><span>石子</span><span>:</span><span>60×5/12</span><span>=25</span><span>(</span><span>吨</span><span>)</span><br><br><span>3</span><span>.30×</span><span>(</span><span>1+30</span><span>)</span><span>=930</span><span>(</span><span>千克</span><span>)</span><br><br><span>4</span><span>.100∶50∶200=2∶1∶4 2+1+4=7</span><br><br><span>面包</span><span>:</span><span>420×2/7</span><span>=120</span><span>(</span><span>克</span><span>)</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>鸡蛋</span><span>:</span><span>420×1/7</span><span>=60</span><span>(</span><span>克</span><span>)</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>牛奶</span><span>:</span><span>420×4/7</span><span>=240</span><span>(</span><span>克</span><span>)</span><br><br><span>5</span><span>.560÷8=70</span><span>(</span><span>千米</span><span>/</span><span>时</span><span>)</span><span> 4+3=7</span><br><br><span>甲车速度</span><span>:</span><span>70×4/7</span><span>=40</span><span>(</span><span>千米</span><span>/</span><span>时</span><span>)</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>乙车速度</span><span>:</span><span>70×3/7</span><span>=30</span><span>(</span><span>千米</span><span>/</span><span>时</span><span>)</span><br><br><span>6</span><span>.</span><span>连环画</span><span>:</span><span>540×1/3</span><span>=180</span><span>(</span><span>本</span><span>)</span><span> </span><span>&nbsp;&nbsp;</span><span>540-180=360</span><span>(</span><span>本</span><span>)</span><br><br><span>文艺书</span><span>:</span><span>360×3/(3+2)</span><span>=216</span><span>(</span><span>本</span><span>)</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>科技书</span><span>:</span><span>360×</span>2/(3+2)=144(本)</div><div><br><span>六、</span><span>75÷</span><span>(</span><span>27-24</span><span>)</span><span>×</span><span>(</span><span>1+24</span><span>)</span><span>=625</span><span>(</span><span>克</span><span>)</span><br><span>&nbsp;</span><br></div>