人教版2015年小学四年级数学下学期期末试卷

<div style="text-align: center;"><font color="#ff0000"><span style="font-family: 黑体; font-weight: bold;">人教版</span><span style="font-family: 黑体; font-weight: bold;">2015年小学</span><span style="font-family: 黑体; font-weight: bold;">四年级下学期数学期末试卷</span></font></div><br><span style=" font-family:黑体; mso-hansi- mso-bidi- font-weight:bold; ">一、填空。(20分)</span><span><br></span><span><br></span><div><span>1、一个数的十万位、十位和百分位上都是6,其余数位都是0,这个小数写作</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),读作(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span><br></span><span><br></span></div><div><span>2、把3.14的小数点向(&nbsp;&nbsp;&nbsp;&nbsp;)移动两位,就扩大到它的(&nbsp;&nbsp;&nbsp;&nbsp;)倍。</span><span><br></span><span><br></span></div><div><span>3、70.672中整数部分的7表示(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),小数部分的7表示(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span><br></span><span><br></span></div><div><span>4</span><span>、一个数的小数部分有两位,当用四舍五入法保留一位小数时,近似值是5.0,这个数原来最小是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),最大是(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>5</span><span>、248200改为用“万”作单位的数是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)万。把78560000改写为用“亿”作单位的数是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)亿。(保留两位小数)</span><br><br><span>6</span><span>、一个等腰三角形,顶角是112</span><span>度</span><span>,它的两个底角是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>度</span><span>。</span><span><br></span><span><br></span></div><div><span>某三角形中,∠A=40°∠B=80°,∠C=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>7</span><span>、用4、3、0和小数点组成一个最大的小数是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),组成一个最小的小数是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span><br></span><span><br></span></div><div><span>8</span><span>、0.930、0.39、0.903、0.309四个数中,最大的是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),最小的是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span><br></span><span><br></span></div><div><span>9</span><span>、</span><span>6米3厘米=(&nbsp;&nbsp;&nbsp;&nbsp;)米&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.04平方米=(&nbsp;&nbsp;&nbsp;&nbsp;)平方分米</span><span><br></span><span><br></span></div><div><span>7</span><span>.</span><span>5吨=(&nbsp;&nbsp;&nbsp;&nbsp;)千克&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>58千米7米=(&nbsp;&nbsp;&nbsp;&nbsp;)千米&nbsp;&nbsp;&nbsp;</span><br><br><span>10、有龟和鹤共20只,龟的腿和鹤的腿共56条。其中,鹤有(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)只,龟有(&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>&nbsp;</span><span>只。</span><span>&nbsp;</span><br><br><span style=" font-family:黑体; mso-hansi- mso-bidi- font-weight:bold; ">二、判断。(对的在括号里打“√”,错的在括号里打“×”。)(6分</span><span style=" font-family:黑体; mso-hansi- mso-bidi- ">)</span><span style=" font-family:黑体; mso-hansi- mso-bidi- "></span><br><br><span>l、0和任何数相乘都得0,0除以任何数都得0。(&nbsp;&nbsp;&nbsp;&nbsp;)</span><span><br></span><span><br></span></div><div><span>2、35×(7×3)=35×7+35×3。(&nbsp;&nbsp;&nbsp;&nbsp;)</span><span><br></span><span><br></span></div><div><span>3、三条边分别是4厘米、4厘米、8厘米的三角形是一个等腰三角形。(&nbsp;&nbsp;&nbsp;)</span><span><br></span><span><br></span></div><div><span>4</span><span>、7.05和7.0599保留一位小数都是7.l。</span><span>(</span><span>&nbsp;&nbsp;</span><span>&nbsp;)</span><span><br></span><span><br></span></div><div><span>5</span><span>、被除数比除数大,商就一定大于1。</span><span>(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>)</span><br><br><span>6</span><span>、大于0.4小于0.6的小数只有0.5。</span><span>(&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>)</span><br><br><span>7</span><span>.小数加法的意义与整数加法的意义完全相同。</span><span>(  )</span><span><br></span><span><br></span></div><div><span>8</span><span>.小数一定比整数小。</span><span>(  )</span><span><br></span><span><br></span></div><div><span>9</span><span>.被减数减去2,减数加上2,差不变。(  )</span><span><br></span><span><br></span></div><div><span>10</span><span>.如果一个三角形有两个角是锐角,它就一定是锐角三角形。(  )</span><span><br></span><span><br></span></div><div><span>11</span><span>.57×101的简便算法是57×100+57=5757。(  )</span><span><br></span><span><br></span></div><div><span>12</span><span>.a×b的积一定大于a。</span><span>(  )</span><br><br><span style=" font-family:黑体; font-weight:bold; ">三、选择题。(把正确答案的序号填在括号里。)(6分</span><span>)</span><span><br></span><span><br></span></div><div><span>1、两个锐角均为60</span><span>度</span><span>的三角形是(&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span><br></span><span><br></span></div><div><span>A、一般三角形&nbsp;&nbsp;B、锐角三角形&nbsp;&nbsp;C、钝角三角形&nbsp;&nbsp;D、等边三角形</span><span><br></span><span><br></span></div><div><span>2、下面可以用乘法分配律进行简便计算的算式是(&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>。</span><span><br></span><span><br></span></div><div><span>A、(125+90)×8&nbsp;&nbsp;</span><span>&nbsp;&nbsp;</span><span>B、52×25×4&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;</span><span>C、7.6十1.25+2.4&nbsp;&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;&nbsp;</span><br><br><span>D、(258十45)十55</span><span><br></span><span><br></span></div><div><span>3、下列(&nbsp;&nbsp;&nbsp;&nbsp;)组的两个算式得数不相等。</span><span><br></span><span><br></span></div><div><span>A、25×(200+4)和25×200+25×4&nbsp;&nbsp;&nbsp;&nbsp;B、36×201和36×200+36</span><span><br></span><span><br></span></div><div><span>C、265×105—265×5和265×(105十5)&nbsp;&nbsp;D、25×174×4和25×4×174</span><span><br></span><span><br></span></div><div><span>4、下面各数中不要读出“零”的数是(&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>。</span><br><br><span>A、807.17&nbsp;&nbsp;&nbsp;&nbsp;B、270.05&nbsp;&nbsp;&nbsp;&nbsp;C、400.61&nbsp;&nbsp;&nbsp;&nbsp;D、301009</span><span><br></span><span><br></span></div><div><span>5、下面各数中把“0”去掉大小不变的是(&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>。</span><span>&nbsp;</span><br><br><span>A、7055&nbsp;&nbsp;&nbsp;&nbsp;B、7.05&nbsp;&nbsp;&nbsp;&nbsp;C、70.55&nbsp;&nbsp;&nbsp;&nbsp;D、7.550</span><span><br></span><span><br></span></div><div><span>6、1.1到l.3之间有个(&nbsp;&nbsp;&nbsp;&nbsp;)小数。&nbsp;</span><br><br><span>A、11&nbsp;&nbsp;&nbsp;&nbsp;B、18&nbsp;&nbsp;&nbsp;&nbsp;C、无数&nbsp;&nbsp;&nbsp;&nbsp;D、19</span><br><br><span style=" font-family:黑体; mso-hansi- font-weight:bold; ">四、计算。(32分)</span><span style=" font-family:黑体; mso-hansi- font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">1、口算。(6分)</span><span style=" font-weight:bold; "></span><br><br><span>675÷100= &nbsp; &nbsp; &nbsp;125×8= &nbsp; &nbsp;0.896×100= &nbsp; 5.68+16.57=</span><span style=" font-weight:bold; "></span><br><br><span>36.26-30.86= &nbsp; 5.6+2.7= &nbsp; &nbsp; 3.9+4.08=&nbsp;&nbsp;&nbsp;&nbsp;]9.14-1.43=</span><br><br><span>125×8÷125×8= &nbsp;25×5×4= &nbsp; 24×5= &nbsp; &nbsp;265-158-42=</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">2、用竖式计算下面各题并验算。(4分</span><span>)</span><br><br><span>10-3.06= &nbsp; &nbsp;11.36+8.54=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span style=" font-weight:bold; ">3、用小数计算。(4分</span><span>)</span><br><br><span>5米23厘米+3米5分米&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10千克-3千克600克</span><span>&nbsp;</span><br><br><span style=" font-weight:bold; ">4、计算下面各题,能简算的要简算。(12分</span><span>)</span><br><br><span>(125+7)×8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3200÷25×4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.27+6.4+2.73+4.6</span><br><br><span>&nbsp;</span><br><br><span>25×44&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.45-0.58-1.42&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12×(324-285)÷26</span><br><br><span>&nbsp;</span><br><br><span style=" font-weight:bold; ">5、</span><span style=" font-weight:bold; ">列式计算</span><span style=" font-weight:bold; ">(6分)</span><span style=" font-weight:bold; "></span><br><br><span>1、54.6减去31.4的差,加上</span><span>6</span><span>除96的商,和是多少?&nbsp;</span><br><br><span>2、一个数的5倍与17.83的和是117.83,这个数是多少?</span><br><br><span style=" font-family:黑体; font-weight:bold; ">五、解决问题。(每小题6分,共36分</span><span style=" font-weight:bold; ">)</span><span style=" font-weight:bold; "></span><br><br><span>1</span><span>、学校食堂买进大小两种包装的大米各5袋,小袋每袋重35千克,大袋每袋重105千克,共买大米多少千克?大袋比小袋共多多少千克?</span><br><br><span>2</span><span>、小红每天骑车要7分钟到校,她每分钟骑155米,小明每天从学校到家往返2个来回共走2800米的路程,小红和小明谁家距离学校路程近?近多少米?</span><br><br><span>3</span><span>.甲乙两地相距560千米,一辆汽车从甲地开往乙地,每小时行48千米,另一辆汽车从乙地开往甲地,每小时行32千米.两车从两地相对开出5小时后,两车相距多少千米?</span><br><br><span>4</span><span>、下面是小丽、小乐两位同学在舞蹈比赛时,五位评委打的分数。</span></div><div><br> <table width="100%" border="1"><tbody><tr><td><br>评&nbsp;委<br></td><td><br>①<br></td><td><br>②<br></td><td><br>③<br></td><td><br>④<br></td><td><br>⑤<br></td></tr><tr><td><br>小&nbsp;丽<br></td><td><br>9.65<br></td><td><br>9.58<br></td><td><br>9.70<br></td><td><br>9.45<br></td><td><br>9.22<br></td></tr><tr><td><br>小&nbsp;乐<br></td><td><br>9.56<br></td><td><br>9.48<br></td><td><br>9.80<br></td><td><br>9.55<br></td><td><br>9.60<br></td></tr></tbody></table> <br><span>成绩汇总的方法是去掉一个最高分和一个最低分,剩下的几个成绩相加再除以几,就是该选手最终得分。&nbsp;请你算一算,小丽和小乐最终得分,谁高?高多少?</span><br><br><span>5</span><span>、一个滴水的龙头,每天白白浪费掉0.1立方米的水。①某社区有100个这样的水龙头,一个月浪费掉多少立方米水?&nbsp;(按一个月30天计算)&nbsp;②此社区2005年一年浪费掉水多少立方米?&nbsp;③宁夏回族自治区某地严重缺水,每100户每天用水只有</span><span>2</span><span>立方米,此社区每天浪费的水可供宁夏回族自治区多少户用?</span><br><br><span>6</span><span>、动物园推出“一日游”的活动价两种方案:</span></div><div><span><br></span><span>方案一:成人每人150元;儿童每人60元,</span><span><br></span><span><br></span></div><div><span>方案二:团体5人以上(包括5人)每人100元。</span><span><br></span><span><br></span></div><div><span>现在有成人4人,儿童6人要去游玩,想一想怎样买票最省钱?</span><br><br></div>