<div><div style="text-align: center;"><span style="font-weight: bold;"><font color="#ff0000">深圳市罗湖区小学二年级数学(下)期末供题考试参考答案(2013.7)</font></span></div><div style="text-align: center;"><br></div><span><div style="text-align: center;">编制:盛伟</div></span><br><span style=" font-weight:bold; ">一、我会算(30分)</span><span style=" font-weight:bold; "></span><br><br><span>1.直接写得数(每题1分,共8分</span><span>)</span><br><br><span>第一行:6000、730、420、230; 第二行:230、2000、620、8. </span><br><br><span>2.用竖式计算(</span><span>(计算、验算各</span><span style=" font-weight:bold; ">2 </span><span>分,共</span><span style=" font-weight:bold; ">10 </span><span>分</span><span>)</span><br><br><span>52÷7= 7……3 *517+386= 903 *907-289=618</span><br><br>3.用递等式计算(每题3分,共12分)<br><br><span>54+6×9 36</span><span>÷</span><span>(12-8) 362-93+7 2×(83-74)</span><span style=" font-weight:bold; "></span><br><br><span>=54+54 =36÷4 =269+7 =</span><span> 2×9</span><br><br><span>=108 =9 =276 = 18</span><br><br><span style="font-weight: bold;">二、我会填(每空1分,共23分)</span><br><br><span>1.(4007)、(9030)、(10000)。 2.(1035)、(5310)、(4275)</span><br><br><span>3.(4)、(3) 4.(6——9)、(8或9)、(0——7)【填对一个数字就可以】</span><br><br><span>5.(67)、(9)、(120) 6.(mm)、(m)、(dm)、(km) </span><br><br><span>7.(7050</span><span>)</span><span>、(6950) 8.(8) 、(6)、(9) </span><br><br><span style=" font-weight:bold; ">三、我会选(每题2分,共8分)</span><span style=" font-weight:bold; "></span><br><br><span>1.(C) 2.(B) 3.(A) 4.(C) </span><br><br><span style=" font-weight:bold; ">四、我会观察(每空1分,共9分)</span><span style=" font-weight:bold; "></span><br><br><span>1、(西北)、(东北)、【(东)、(2)、(北)、(1)、(北)(1)(东)(2)两个顺序</span><br><br><span>可以变】</span><br><br><span>2、(2)、(2)、(1)</span><br><br><span style=" font-weight:bold; ">五、我会画(第一小题2分,第二小题画对一个图形得2分,共6分)</span><span style=" font-weight:bold; "></span><br><br><span>图略</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">六、我会解决问题(共24分)</span><span style=" font-weight:bold; "></span><br><br><span>(1~3题每题“单位”占0.5分,“答语”占0.5分。)</span><br><br><span>1.21÷4 = 5(件)……1(粒) (4分)</span><br><br><span>答:最多可以钉5件这样的衣服</span><span>。</span><br><br><span>2.60-25 = 35(棵) (5分)</span><br><br><span>35÷5 = 7(棵)</span><br><br><span>答:平均每个小组栽树7棵。</span><br><br><span>3.48÷6 =8(米) (5分)</span><br><br><span> 9 - 8 =1 (米)</span><br><br><span>答:。小狗跑得快一些,每秒快1米。</span><br><br><span>4. (1) (4)、(5) (2分)</span><br><br><span> (2) (2) (2分)</span><br><br><span> (3) 图略,只要学生写出合理的理由都可以。</span><br><br><span>(估计2分,画图2分,理由2分)</span><br><br></div>
二年级下