2017-2018学年小学四年级数学上册期末考试试卷及答案

<strong><span>一、我能填对:(每空1分,共19分)</span></strong><div><strong><br></strong><span>1、一个十位数,最高位上是7,百万位和百位都是5,其他各数位上都是0,这个数写作(</span>&nbsp;  <span>),读作(</span>&nbsp;  <span>),这个数最高位是(   )位。省略亿后面的尾数约是(   )亿</span><br><br><span>2、400×30的积是(</span>&nbsp;  <span>)位数,积的末尾有(</span>&nbsp;  <span>)个0。  </span><br><br><span>3、65的28倍是(</span>&nbsp;  <span>),288是72的(</span>&nbsp;  <span>)倍。</span><span><br></span><span>4、一只猎狗奔跑的速度可达每小时35千米,可写作(     )。</span><br><br><span>5、(    )×时间=路程</span><br><br><span>6、《新版小学生字典》有592页,估计一下,12本这样的字典大约有(    )页。</span><br><br><span>7、一个角是89度,它是(   )角,一个平角等于(  )个直角,一个周角等于(  )平角,一个周角等于(   )直角。</span><br><br><span></span><span>8、两个数的商是24,如果被除数不变,除数缩小4倍,则商是(   )。</span><br><br><span>9、</span><span>在A÷15=14……B中,余数B最大是(  ),这时被除数A是(   )。</span><br><br><span>10、李叔叔要复印7张文字资料,正反面都需要复印,如果复印机只能单面复印,且一次最多可放2张,那么最少要复印(    )次才能印完。</span><br><br><strong><span>二、火眼金睛辨对错。(每题2分,计10分)</span></strong><strong></strong><br><br><span>1、角的大小和两边的长短无关,跟两边叉开的大小有关。(  )</span><br><br><span>2、在数位顺序表中,任何两个计数单位之间的进率都是10。(  )</span><br><br><span>3、由六百万和六百组成的数是6000600。 (   )</span><br><br><span>4、</span><span>如果被除数扩大7倍,要使商不变,除数应缩小7倍。(  )</span><br><br><span>5、钝角一定比直角大,比直角大的角一定是钝角。 (  )</span><br><br><span></span><strong><span>三、我会选。</span></strong><br><br><span>1、把59296500省略“万”后面的尾数约是</span><span>(      )</span><span>。</span><br><br><span>A、5930    </span><span></span><span></span><span>B、5929万    C、5930万</span><br><br><span>2、估一估,下面算式中的商最接近9的是</span><span>(      )</span><span>。</span><br><br><span>A、434÷51    </span><span></span><span></span><span>B、632÷71     C、520÷60</span><br><br><span>3、</span><span>把平角分成两个角,其中一个是钝角,另一个是(  )。</span><br><br><span>A、钝角   B、锐角   C、直角</span><br><br><span>4、下列哪一句话是错误的(  )。</span></div><div><span><br></span></div><div><span>A、</span><span>平行线延长也可能相交。</span><br><br><span>B、梯形有无数条高。</span></div><div><span><br></span></div><div><span>C、</span><span>平行四边形两组对边分别平行。</span><br><br><span>5、</span><span>一条(   )长20厘米。 </span><br><br><span>A、直线  </span> B、射线  C、线段</div><div><br><span>6、</span><span>过直线外一点画已知直线的垂线,可以画(   )条。</span><br><br><span>A、一条   B、两条  C、无数条</span><br><br><strong><span style=" letter-spacing: -; ">四、我的计算最认真。(  计27分) </span></strong><strong></strong><br><br><span>1、直接写得数(每题1分,计9分)</span><br><br><span>600×80=     24×300=    </span><span></span><span>960÷60=   </span><span>540</span><span>÷6</span><span>=</span><span> </span><br><br><span>18×50=      35×2=       </span><span>0</span><span>÷32 =</span><span> </span><span>   480÷40=</span><br><br><span>52×49≈     102×17≈    6294÷71≈</span><span></span><span>  </span><span></span><span>479÷81≈</span><br><br><span>2、列竖式计算。(带※的要验算)(每题2分,计12分)</span><br><br><span>140×45=      208×35=       </span><span>※</span><span>240×38=</span><br><br><span></span><br><br><span>782÷78=     7200÷600=       </span><span>※</span><span>485÷64= </span><br><br><br><span>3、脱式计算。(每题3分,计6分)</span><br><br><span>224÷56+256          203×(86-16)</span><br><br><strong><span>五、画一画,算一算。</span></strong><strong><span>(每题2分,共8分)</span></strong><strong><span>      </span></strong><strong></strong><br><br><span>1、过O点画射线AB的垂线。 再过O点画射线AC的垂线。       </span><br><br><img src="//www.szxuexiao.com/uploadimages/2017/1225/2017122522936.png?m=0.28965652067112924"><br><br><span>2</span>、<span>用量角器画一个105o的角。</span></div><div><br>3、已知∠1=43°&nbsp; ∠2=(  )  ∠3=( )。</div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2017/1225/20171225221055.png?m=0.6036718222512614"><br><br><span>4</span>、画出平行四边形底边上的高。</div><div><br><img src="//www.szxuexiao.com/uploadimages/2017/1225/20171225221144.png?m=0.22553193872280208"><br><br><span><strong>六、解决问题</strong></span><br><br><span>1、</span><span>水果店李大伯带2000元钱去批发市场买苹果,买了25箱,还剩150元。每箱苹果的批发价是多少元?</span><br><br><span>2、</span><span>学校四年级男、女生人数相同,他们要参加体育会操表演,男生每排30人,排了14排。女生每排35人,可以排几排?</span><br><br><span>3、</span><span>陈老师去体育用品店买了12个篮球,每个篮球的价钱是63元,又买了8个排球用去240元,。陈老师一共用了多少元钱?</span><br><br><span>4、司机王叔叔从济南出发到徐州送货,前3小时的速度是60千米/小时,后2小时的速度是55千米/小时,从济南到徐州王叔叔一共行驶了多少千米?</span><br><br><span>5、学校开展节约用水活动,前3个月共节约用水435吨。照这样计算,学校一年能节约用水多少吨?</span><br><br><span>6、妈妈下班回家做饭,淘米要3分钟,煮饭要30分钟,洗菜要8分钟,切菜要5分钟,炒菜要10分钟。如果煮饭和炒菜要用不同的锅和炉子,妈妈要将饭菜都做好,最少要用多长时间?</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">2017-2018学年小学四年级数学上册期末考试参考答案</font></strong></div><strong><br><span>一、我能填对</span><span>:(</span><span>每空</span><span>1</span><span>分</span><span>,</span><span>共</span><span>19</span><span>分</span><span>)</span></strong><br><br><span>1、700500500    七十亿零五十万零五百   十亿   70</span><br><br><span>2、 5   3     3、 20   4 </span><br><br><span>4、35千米/时     5、速度</span><br><br><span>6、6000       7、锐  2  2   4</span><br><br><span>8、96        9、14    224</span><br><br><span>10、6</span><br><br><span><strong>二、火眼金睛辨对错。(每题2分,计10分)</strong></span><br><br><span>1、</span><span>√  </span><span>2、</span><span>× </span><span>3、</span><span>√ </span><span>4、</span><span>×  </span><span>5、</span><span>×</span><br><br><span><strong>三、我会选。(把正确答案的序号填在括号里)(每题2分,计12分)。</strong></span><br><br><span>1、</span><span>C   2、 B  3、B   4、A   5、C  6、 A</span><br><br><span style="letter-spacing: -; "><strong>四、我的计算最认真。(计27分)</strong></span><span style="letter-spacing: -; "></span><br><br><span style="letter-spacing: -; ">1、48000       48000      16</span><span style="letter-spacing: -; "></span><br><br><span style="letter-spacing: -; ">   0         90      900 </span><span style="letter-spacing: -; "></span><br><br><span style="letter-spacing: -; ">&nbsp; 49000        90       6</span><span style="letter-spacing: -; "></span><br><br><span>2、 6300     7280    9120</span><br><br><span>  10… …2    12    7… …37</span><br><br><span>3、</span><span>224</span><span>÷</span><span>5</span><span>6</span><span>+</span><span>256 </span><span>    </span><span>203×(86-16)&nbsp;</span></div><div><span><br></span><span></span><span>&nbsp; =4+</span><span>256</span><span>        =203</span><span>×</span><span>70</span><br><br><span>&nbsp; =230</span><span> </span><span>        =14210</span><br><br><strong><span>五、画一画,算一算。</span><span>(每题2分,共</span><span>8</span><span>分)</span></strong><br><br><span>1、2、4答案略</span><br><br><span>3、</span><span>∠</span><span>2</span><span>=(</span><span></span><span>47°)</span><span>        </span><br><br><span>∠</span><span>3</span><span>=(</span><span></span><span>133°</span><span></span><span>)。</span><br><br><span><strong>六、解决问题我最棒。(每题4分,共24分)</strong></span><br><br><span>1、(2000-150)</span><span>÷</span><span>25   2、30</span><span>×</span><span>14</span><span>÷</span><span>35</span><br><br><span>&nbsp; &nbsp;=1850</span><span>÷</span><span>25       =420</span><span>÷</span><span>35</span><br><br><span>&nbsp; &nbsp;=74(</span><span>元</span><span>)       =12(</span><span>排</span><span>)</span><br><br><span>3、63</span><span>×</span><span>12+240     4、60</span><span>×</span><span>3+55</span><span>×</span><span>2</span><br><br><span>&nbsp;=756+240      &nbsp; =180+110</span><br><br><span>&nbsp;=996(元</span><span>)</span><span>     &nbsp; =290(米)</span><br><br><span>5、435</span><span>÷</span><span>3</span><span>×</span><span>12    </span><br><br><span>=145</span><span>×</span><span>12       </span><br><br><span>=1740(吨)    </span><br><br><span>6、①淘米  3分钟</span><br><br><span>② 煮饭(同时洗菜、切菜、炒菜) 30分钟</span><br><br><span>最少时间是30+3=33(分钟)</span><br><br></div>