<strong><span>一、填空</span></strong><strong><span>（每空1分，共计31分）</span></strong><strong><span>。</span></strong><br><br><span>1</span><span>、</span><span>从个位起第( </span><span> </span><span> )位是万位,第( </span><span> </span><span> )位是百万位,第九位是( </span><span> </span><span> )位,亿位的右边一位是( </span><span> </span><span> )位,亿位左边一位是( </span><span> </span><span> )位。</span><br><br><span>2</span><span>、</span><span>在（</span><span> </span><span> ）里填上适当的面积单位。</span><br><br><span>（1）</span><span>鸟巢的占地面积约是20</span><span>（</span><span> </span><span> ）。 （2）足球场的面积约是7000（ </span><span> </span><span>）。 </span><br><br><span>3</span><span>、</span><span>从一点引出两条（ ）组成的图形叫做角，这个点叫做角的（ ）。</span><br><br><span>4、</span><span>边长是（</span><span> </span><span> ）米的正方形的面积是1公顷</span><span>；</span><span>边长是1千米的正方形的面积是（ </span><span> </span><span>）。</span><br><br><span>5、7公顷=（ ）平方米 </span><span> 5平方千米=（ ）公顷</span><br><br><span>6、</span><span>75×40的末尾有（ </span><span> ）个0。</span><br><br><span>7、二千万、三万和七个千组成的数是（ ），用“四舍五入”法省略万后面的尾数约是（ ）万。</span><br><br><span>8、</span><span>1平角＝（ </span><span> </span><span> ）直角。 1周角＝（ </span><span> </span><span> ）直角＝（ </span><span> </span><span> ）平角。</span><br><br><span>9、 </span><span>900606000是( </span><span> </span><span> )位数,9在( </span><span> </span><span> )位上,表示( </span><span> </span><span> ),</span><span> </span><span>左边的6在( </span><span> </span><span> )</span><span>位上,右边的6在( </span><span> </span><span> )位上。这个数读作( </span><span> </span><span> </span><span> </span><span> )。</span><br><br><span>10、</span><span>在○里填上“＞”“＜”或“＝”。</span><br><br><span>6公顷</span>○<span>600平方米</span><span> </span><span>401公顷</span>○<span>400平方千米</span><span> </span><span>601200</span>○<span>6000120</span><br><br><br><span>402万</span>○<span>402000</span><span> </span><span>16</span><span>×</span><span>400</span>○<span>210</span><span>×</span><span>4</span><span> </span><span>6个百万</span>○<span>6000000</span><br><br><strong><span>二</span></strong><strong><span style=" Tahoma; ">、选一选</span></strong><strong><span>（每题1分，共计6分）</span></strong><strong><span style=" Tahoma; ">。</span></strong><strong></strong><br><br><span>1</span><span style="Tahoma;">、</span><span>4920590最高位上的数表示( )。</span><br><br><span>A. 4个万 B. 4个十万 C. 4个百万 D. 4个千万</span><br><br><span>2、</span><span>与480×40的积一样的算式是（ ）。 </span><br><br><span>A.48×40 B.4×4800 C.480×400 D.4</span><span>×</span><span>480</span><br><br><span>3、线段有（ ）个端点。</span><br><br><span>A、1 B、2 C、无数 D、没有</span><br><br><span>4、</span><span>周角、直角、平角、锐角、钝角的排列顺序，正确的一组是（ ）。 </span><br><span>A 周角＞平角＞直角＞钝角＞锐角 </span><br><br><span>B 周角＞平角＞钝角＞直角＞锐角 </span><br><span><br></span><div><span>C 平角＞ 周角＞钝角＞直角＞锐角</span></div><div><span><br></span><span>5、</span><span>下面各数中,一个零也不读出来的数是( )。</span><br><br><span>A. 630900000 B. 639008000 C. 639070000 D. 40024077</span><br><br><span>6、</span><span>用2、4、6、</span><span>8、0组成最小的五位数是（ ）。</span><br><br><span>A.24680 B.86420 C.20468 </span><span> D. 02468</span><br><br><strong><span>三、判断</span></strong><strong><span>（每题1分，共计5分）</span></strong><span>。</span><br><br><span>1、</span><span>一条线段长19厘米，一条射线长10厘米。 </span><span>(</span><span> </span><span>)</span><br><br><span>2、</span><span>204×50=1020</span><span>。 </span><span>(</span><span> </span><span>)</span><br><br><span>3、列竖式计算时，要把相同数位对齐。 </span><span>(</span><span> </span><span>)</span><br><br><span>4、万级有万位、十万位、百万位、千万位四个数位</span><span style="Verdana;">。 </span><span style="Verdana;">（ </span><span> </span><span style="Verdana;"> ）</span><span style="Verdana;"></span><br><br><span>5、</span><span>小于９０度的角是锐角，大于90度的角是钝角。 （ ）</span></div><div><span><br></span><strong><span>四、</span></strong><strong><span style=" letter-spacing: -1pt; ">先算出每组第一题的积，然后直接写出下面两题的积。</span></strong><strong><span>（</span></strong><strong><span>每题1分，</span></strong><strong><span>共计9分</span></strong><strong><span>）</span></strong></div><div><strong><span><br></span></strong><span>65×2= </span><span>25×3= </span><span> </span><span> 140×4= </span><span><br></span><span><br></span></div><div><span>65×20= </span><span> </span><span>250×3= </span><span> </span><span>140×12= </span><span><br></span><span><br></span></div><div><span>650×20= </span><span>250×30= </span><span> </span><span> </span><span>280×4= </span><br><br><strong><span>五、</span></strong><strong><span>竖式计算</span></strong><strong><span>（每题3分，</span></strong><strong><span>共计1</span></strong><strong><span>8分</span></strong><strong><span>）</span></strong><strong><span>。</span></strong><strong></strong><br><br><span>120</span><span>×</span><span>73</span><span>＝ </span><span> </span><span> </span><span> </span><span> 217</span><span>×</span><span>83</span><span>＝ </span><span>43</span><span>×</span><span>139=</span><br><br><span> </span><br><span>224</span><span>×</span><span>30</span><span>＝</span><span> </span><span>304</span><span>×</span><span>15</span><span>＝ 250</span><span>×</span><span>60＝</span><br><br><br><strong><span>六、</span></strong><strong><span>想一想，画一画（每空2分，共计12分）。</span></strong><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/1006/2018106154032.png?m=0.7012882903369031"><br><strong><span> </span></strong><br><strong><span>七、解决问题。</span></strong><strong></strong><br><br><span>1、公园的一头大象一天要吃340千克食物，饲养员准备了5吨食物，够这头大象吃15天吗？（3分）</span><br><br><span>2、</span><span>好事达超市平均每天售出饮料350瓶，这个月（按31天计算）共售出饮料多少瓶</span><span>？（3分）</span><br><br><span>3、</span><span>西宁市郊外的森林公园有124公顷森林。1公顷森林一年可滞尘32吨，一天可从地下吸出85吨水。</span><br><br><span>（1）</span><span>这个公园的森林一年可滞</span><span>尘多少吨</span><span style="Tahoma;">？</span><span>（2分）</span><br><br><span>（2）这个公园的森林一天可从地下吸水多少吨？（2分）</span><br><br><span>4、学校图书馆准备新增两种图书，每种买5套。其中第一种图书每套125元，第二种图书每套25元。学校一共要花多少元钱？（3分）</span><br><br><span><br clear="all" style="page-break-before:always"><div style="text-align: center;"><strong><font color="#38761d">2018年小学四年级数学上册期中考试试卷参考答案</font></strong></div></span><br><span style="font-weight: bold; ">一、</span><strong><span>填空</span></strong><strong></strong><br><br><span>1、五、七、亿、千万、十亿。</span><br><br><span>2、平方千米、平方米。</span><br><br><span>3、射线、顶点。 </span><br><br><span>4、100、1平方千米</span><br><br><span>5、70000、500。</span><br><br><span>6、3个</span><br><br><span>7、20037000、2004</span><br><br><span>8、2、4、2</span><br><br><span>9、9、亿、9个亿、十万、千、九亿零六十万六千</span><br><br><span>10、</span><span>>、<、<、>、>、=</span><br><br><span><strong>二、选择题</strong></span><br><br><span>1C 2B 3B 4B 5B 6C</span><br><br><strong><span>三、</span><span>判断题</span></strong><br><br><span>1× 2× 3√ </span><span>4 √ 5×</span><br><br><strong><span>四、</span><span>结果</span></strong><br><br><span>130 75 640</span><br><br><span>1300 750 1920</span><br><br><span>13000 7500 1280</span><br><br><span><strong>五、计算</strong></span><br><br><span>8760 18011 5977 6720 4</span><span>560 15000</span><br><br><span><strong>六、画一画（略）</strong></span><br><br><span><strong>七、解决问题</strong></span><br><br><span>1、340</span><span>×</span><span>15</span><span>=5100（吨）5100</span><span>〉5000 不够</span><span>（分）</span><br><br><span>2、350</span><span>×</span><span>31</span><span>=10850（支）</span><br><br><span>3、</span><span>①124</span><span>×</span><span>32=3968（吨）</span><br><br><span>②</span><span>124</span><span>×</span><span>85</span><span>=10540（吨）</span><br><br><span>4、125</span><span>×</span><span>5+25</span><span>×</span><span>5=750</span><span>（元）</span><br></div><div><span><br></span></div>
四年级上