<div style="text-align: center;"><strong><font color="#38761d">数与运算（共46颗★）</font></strong></div><br><strong><span>一、</span><span>直接写出得数。（5颗★）</span></strong><br><br><span>2.02＋0.8=</span><span></span><span></span><span></span><span></span><span>1.4×6=</span><span></span><span></span><span></span><span>19</span><span>－</span><span>0.19=</span><span></span><br><br><span>9.7+0.3×2=</span><span></span><span></span><span></span><span>2.74÷9≈</span><span></span><span></span><span>(按四舍五入法把得数保留一位小数)</span><br><br><span><strong>二、解方程。（9颗★）</strong></span><br><br><span>⑴ </span><span>5x</span><span>-0.</span><span>3=</span><span>2x </span><div><span><br></span></div><div><span></span><span></span><span>⑵ 5（4.2+X）＝40</span><span></span></div><div><span><br></span></div><div><span></span><span></span><span>⑶ </span><span>9x+53-4x=68.5</span><span> </span><br><br><span><strong>三、递等式计算，能简则简。（20颗★）</strong></span><br><br><span>⑴（9.6－8.4÷4）×1.4</span></div><div><span><br></span></div><div><span>⑵ 5.5＋4.5×47－5.5</span><br><br><span>⑶</span> 0.25×6.4×1.25</div><div><span><br></span></div><div><span></span><span></span><span></span><span>⑷</span> 100.1－10.1÷0.101</div><div><br><span>⑸</span><span> </span><span>9.72×6.8-9.72+4.2×9.72</span><br><br><strong><span>四、</span><span>列方程或综合算式计算。</span><span>（12颗★）</span></strong><br><br><span>⑴</span><span> </span><span>4.</span><span>08减去0</span><span>.8</span><span>与5的积，所得的差被</span><span>0.4</span><span>除，商</span><span>是多少?</span><br><br><span>⑵</span><span> </span><span>7.2的8倍减去3除14.7的商，差是多少？</span><br><br><span>⑶ 当m＝2.6，n＝1.4时， 求5n＋3m＋n－2m的值。</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">解决问题（共36颗★）</font></strong></div><br><span><strong>五、解决问题。</strong></span><br><br><span>1、</span><span>学校开展科技小制作，五年级学生做350件，比四年级学生的2倍少20件，四年级学生的小制作有多少件？ </span><br><br><span>2、</span><span>一支圆珠笔的价格的2.5倍，再加上0.5元，就和一支钢笔的价格相同，</span><span>一支钢笔的价格是12.5元</span><span>，一支圆珠笔的价格是多少元？</span><br><br><span>3、</span><span>一块梯形阔叶林，上底为110米，下底为160米，高为70米。每平方米阔叶林一天能释放氧气75克，这块阔叶林一天可以释放多少千克的氧气？</span><br><br><span>4、</span><span>工程队要筑一条长7</span><span>.</span><span>4千米的公路，已经筑了12天，平均每天筑</span><span>0.35</span><span>千米，剩下的在8天内完成，平均每天至少要筑多少千米？</span><br><br><span>5、</span><span>小巧期末考试语文考了87分，英语考了89分，她要想三门平均成绩达到90分，数学至少要考多少分?</span><br><br><span>6、</span><span>小胖家原来每月用水</span><span>18.2</span><span>吨，使用节水龙头后，原来一年用的水现在可以多用两个月。现在每个月用水多少吨？</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">概念理解（共12颗★）</font></strong></div><br><strong><span>六、填空。</span><span>（7颗★）</span></strong><br><br><span>1、</span><span>5078毫升 =（ ）升 10.8平方米=（ ）平方分米</span><br><br><span>2、</span><span>一张桌子</span><span>t</span><span>元，一把椅子</span><span>150</span><span>元，买</span><span>6</span><span>套桌椅共付（</span><span> </span><span>）元。</span><span> </span><br><br><span>3、 被除数是0.67，除数是3.1，商是0.2时，余数是（ ）。</span><br><br><span>4、</span><span>循环小数</span><span>1.1234812348</span><span>……用简便方法记作</span><span>( )</span><span>，它的循环节是</span><span>( )</span><span>。</span><br><br><span>5、 一个梯形的上底长25厘米，高是16厘米，面积是320平方厘米，那么这个梯形的上底是（ ）厘米。</span><br><br><span>6、如果a+0.1=b-0.3=c×0.2=d÷0.4，（ a、b、c、d都大于0），把a，b，c，d这四个数按从大到小的顺序排列依次是（ ）。</span><br><br><span><strong>七、选择题，在括号里填上正确答案前的序号。（3颗★）</strong></span><br><br><span>1、</span><span>下列格式中，（</span><span> </span><span>）是方程。</span><br><br><span>A</span><span>、</span><span>38</span><span>×</span><span>2=126</span><span>－</span><span>48</span> <span>B</span><span>、</span><span>5</span><span>＋</span><span>3x>15</span> <span>C</span><span>、</span><span>6x</span><span>－</span><span>18</span> <span>D</span><span>、</span><span>15</span><span>－</span><span>a=9</span><br><br><span>2、3个边长是2厘米的正方形拼成一个长方形，这个长方形的周长是（ ）</span><br><br><span>A、24厘米 B、20厘米</span> <span>C、16厘米</span> <span>D、18厘米</span><br><br><span>3、右图中，直线a//b，比较三角形AOB和三角形DOC面积的大小，结果是（ ）</span></div><div><span><br></span></div><div><span><img src="https://www.szxuexiao.com/uploadimages/2019/0111/201911110718.png?m=0.43264932492019015"> </span><br><br><span>A、三角形AOB面积大</span> B、三角形DOC面积大 </div><div><br><span>C、它们的面积相等</span> D、无法比较</div><div><br><span>八</span><span>、判断 </span><span>（2颗★）</span><br><br><span>1、两个小数相乘，积一定比这两个小数都要大。</span><span> </span><span>（</span><span> </span><span> </span><span> </span><span> ）</span><br><br><span>2、三角形的面积是平行四边形的一半。</span><span> </span><span> （</span><span> </span><span> </span><span> </span><span>）</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">图形与几何（共4颗★）</font></strong></div><br><strong><span>九、图形计算。</span><span>（4颗★）</span></strong><br><br><span>下图中正方形边长为5厘米，长方形的长和宽分别是3厘米和7厘米，求图中空白部分的面积。 </span></div><div><br></div><div><img src="https://www.szxuexiao.com/uploadimages/2019/0111/201911110823.png?m=0.10956344851956668"><br><br><br><div style="text-align: center;"><strong><font color="#38761d">人教版2019年小学五年级数学上册期末模拟测试答案</font></strong></div><br><span><strong>一、直接写出得数。（5颗★）</strong></span><br><br><span>2.02＋0.8=</span><span></span><span>2.82</span><span></span><span>1.4×6=8.4</span><span></span><span></span><span>19</span><span>－</span><span>0.19=</span><span>18.81</span><br><br><span>9.7+0.3×2=10.3</span><span></span><span>2.74÷9≈</span><span></span><span>0.3 (按四舍五入法把得数保留一位小数)</span><br><br><span><strong>二、解方程。（9颗★）</strong></span><br><br><span>⑴ 0.1</span><span></span><span></span><span>⑵ 3.8</span><span></span><span></span><span>⑶3.1</span><br><br><span><strong>三、递等式计算，能简则简。（20颗★）</strong></span><br><br><span>⑴10.5</span><span></span><span></span><span>⑵211.5</span><span></span><span>⑶2</span><span></span><span></span><span></span><span>⑷ 0.1 ⑸ 97.2</span><br><br><span><strong>四、列方程或综合算式计算。（12颗★）</strong></span><br><br><span>0.2 52.7 11</span><br><br><span><strong>五、解决问题（共36颗★）</strong></span><br><br><span>1、185件</span><br><br><span>2、4.8元</span><br><br><span>3、708.75千克</span><br><br><span>4、0.4千米</span><br><br><span>5、94分</span><br><br><span>6、1.3吨</span><br><br><span><strong>概念理解（共12颗★）</strong></span><br><br><span><strong>六、填空。（7颗★）</strong></span><br><br><span>1、5.078 1080</span><br><br><span>2、6（150+</span><span>t</span><span>）</span><br><br><span>3、0.05 </span><br><br><span>4、略</span><br><br><span>5、15厘米</span><br><br><span>6、c、b、a、d</span><br><br><span><strong>七、选择题，在括号里填上正确答案前的序号。（3颗★）</strong></span><br><br><span>D</span><span>、 C、 C、</span><br><br><span><strong>八、判断（2颗★）</strong></span><br><br><span>× ×</span><br><br><span><strong>九、图形计算。（4颗★）</strong></span><br><br><span>28.5 平方厘米 </span><br><span> </span><br></div>
五年级上