<div><div style="text-align: center;"><font color="#ff0000"><span style="font-weight: bold;">深圳市罗湖区四年级数学抽样性质量检测考试评分细则</span><span style="font-weight: bold;"> (2013.7)</span></font></div><div style="text-align: center;"><br></div><span><div style="text-align: center;">编制：林炳雄 </div></span><br><span>如对评分细则有疑问，请电13802233272林炳雄老师。</span><span>也请阅卷老师在周一阅卷前再次下载，看评分细则是否有更改。谢谢！</span><br><br><span style=" font-weight:bold; ">一、直接写出得数（</span><span style=" font-weight:bold; ">每小题0.5分，共4分</span><span style=" font-weight:bold; ">）</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">0.35 5.82 2.7 1.3 </span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">250 13 6.3 10.5 </span><span> </span><br><br><span style=" font-weight:bold; ">二、用竖式计算。</span><span style=" font-weight:bold; ">（每题2分，共8分）</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; "><font color="#ff0000">竖式计算错误不得分。竖式计算正确，横式得数抄错或漏写的每小题扣0.5分</font></span><span style=" font-weight:bold; "></span><br><br><span>2.48＋3.64= 6.12 9—1.38=7.62 0.64×3.5=2.24 8.4÷0.56=15</span><span style=" font-weight:bold; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0705/201375135332.jpg?m=0.8587243393994868"><br><br><span style=" font-weight:bold; "><font color="#ff0000">第2小题的格式如果9后面没写小数点和两个0，直接计算，不扣分</font></span><span style=" font-weight:bold; "></span><br><br><span style="font-weight: bold;">三、计算下面各题，能简便计算的要用简便计算（</span><span style="font-weight: bold;">每题4分，共12分</span><span style="font-weight: bold;">）</span></div><div><span style="font-weight: bold;"><br></span></div><div><font color="#0000ff"><span style="font-weight: bold;">说明：1</span><span style="font-weight: bold;">.</span><span style="font-weight: bold;">可以不按下面的详细步骤，但要有主要解题过程。只写最后答案的一律不给分。</span><br><br><span style=" font-weight:bold; ">2.第1、3两题没有使用简便算法，过程和最后结果都正确的每题给3分。</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">3.第3题的过程要体现主要简算过程，如不写第一步，但其他步骤正确，不扣分。</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">4.分步给分，如第</span><span style=" font-weight:bold; ">2</span><span style=" font-weight:bold; ">小题写到“</span><span style=" font-weight:bold; ">=9÷［0.3×1.5］”这</span><span style=" font-weight:bold; ">一步，但最后结果错误，给1分</span></font><span style=" font-weight:bold; "></span><br><br>7.38－2.9＋5.91 9÷［0.3×（8－6.5）］ <br><br><span>=7.38＋（5.91－2.9）</span><span>…（1分）</span><span> =9÷［0.3×1.5］ </span><span>…（1分）</span><span> </span><br><br><span>=7.38＋3.01 </span><span>…（2分）</span><span> =9÷0.45 </span><span>…（2分）</span><span> </span><br><br><span>=10.39 </span><span>…（4分）</span><span> =20 </span><span>…（4分）</span><span> </span><br> <br><br><span>9.9×101－9.9</span><br><br><span>= 9.9×101－9.9×1</span><span>…（1分）</span><br><br><span>=9.9×（101－1） </span><span>…（2分）</span><br><br><span>=9.9×100 </span><span>…（3分）</span><br><br><span style=" z-index:1; left:0px; "></span><span>=990 </span><span> …（4分）</span><br><br><span style=" font-weight:bold; ">四</span><span style=" font-weight:bold; ">、</span><span style=" font-weight:bold; ">解方程。</span><span style=" font-weight:bold; ">（每题3分，共6分）</span><span style=" font-weight:bold; "></span><br><br><font color="#0000ff"><span style=" font-weight:bold; ">说明：1.可以不按下面的详细步骤，但要有主要解题过程。</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">2.不写解的，一题不写解或两题不写解的只扣0.5分，不重复扣分。</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">3.学生如果用四则运算的关系解题，只要过程与结果正确，给满分。</span></font><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0705/201375135512.jpg?m=0.45364706753753126"><br><br><span style=" font-weight:bold; ">五、填空</span><span style=" font-weight:bold; ">（每空1分，共27分） </span><span style=" font-weight:bold; "></span><br><br><span>1． 0.7 0.47 3.08</span><br><br><span>2． 0.23 8.4 0.25</span><br><br><span>3． ＞ ＝ ＜ ＜</span><br><br><span>4． 0.042 4.2 0.714</span><br><br><span>5． </span><span style=" text-decoration:underline ; "> ① ③</span><span style=" text-decoration:underline ; "> </span><span> </span><span> </span><span style=" text-decoration:underline ; ">② ⑤</span><span style=" text-decoration:underline ; "> </span><span> </span><span style=" font-weight:bold; ">（每空1分，漏写1个，扣0.5分，错写④的不得分） </span><span> </span><br><br><span>6． 3 3</span><br><br><span>7． a＋28</span><span>（28＋a）</span><span> 6a－1</span><span>（写成6×a－1不扣分）</span><br><br><span>8． 直角 等腰 45°</span><br><br><span>9. 36 21</span><br><br><span>10. 3 19 3n＋1</span><span>［写成其他形式但正确的，不扣分。如：4n－（n-1）］</span><br><br><span style=" font-weight:bold; ">六、选择正确答案的序号填在括号里</span><span style=" font-weight:bold; ">（每题2分，共10分）</span><span style=" font-weight:bold; "></span><br><br><span>1.A 2.C 3.C 4.D 5.B</span><br><br><span style=" font-weight:bold; ">七、</span><span style=" font-weight:bold; ">左下图的照片是空中看到的小强的家，房子周围有一个亭子、一片树林。右下图四个画面，分别是站在A、B、C、D哪个位置看到的？把相应的序号填在括号里。</span><span style=" font-weight:bold; ">（共8分）</span><span style=" font-weight:bold; "></span><br><br><span style=" z-index:1; left:0px; "></span><img src="//www.szxuexiao.com/uploadimages/2013/0705/201375135629.jpg?m=0.17745103756897151"><br><br><span style="font-weight: bold;">八、解决问题</span><span style="font-weight: bold;">（每题5分，共25分）</span><br><br><font color="#0000ff"><span>1．</span><span>注：列式正确得2.5分，知道要22加1的，加1分。计算、单位、答语共1.5分。答语只写“至少需要23个袋子。”不扣分。表达方式可以多样。</span></font><br><br><span> 第一步列式正确，最后的结果、答案写22个的。一律扣2分</span><br><br><span>100÷4.5 </span><span>…2.5分 </span><span>或</span><span> 100÷4.5</span><br><br><span>=22（个）……1（千克） </span><span>…3.5分 =22.2……（≈22个）</span><br><br><span>22＋1=23（个）</span><span>…4.5分</span><br><br><span> 答：</span><span style=" font-family: 宋体;">装100千克水果至少需要23个这样的袋子</span><span>。</span><span>…5分</span><span>（答语占0.5分）</span><br><br>2．（1）<br><br><span>综合算式：</span><br><br><span>6.5×20÷2.5</span><span> …2分</span><br><br><span> =130÷2.5 </span><span>…3分</span><br><br><span> =52（盒） </span><span>…4.5分（含0.5分单位）</span><br><br><span>答：</span><span style=" font-family: 宋体;">用买20瓶果汁的钱可以买52盒牛奶。</span><span>…5分</span><span>（答语占0.5分）</span><span style=" font-family: 宋体;"></span><br><br><font color="#ff0000"><span>分步计算：</span><br><br><span>6.5×20=130（元）…2.5分（漏写单位扣0.5分，</span><span>但不重复扣分</span><span>）</span><br><br><span>130÷2.5=52（盒）…4.5分</span></font><br><br><span>答：</span><span style=" font-family: 宋体;">用买20瓶果汁的钱可以买52盒牛奶。</span><span>…5分（答语占0.5分）</span><span style=" font-family: 宋体;"></span><br><br><span style=" z-index:1; left:0px; "></span><span>6.5÷2.5×20的做法也正确，给分方法与上面的相同。</span><br><br><span>2．（2）</span><br><br><span>综合算式：</span><br><br><span>①6.5×8＋2.5×8 </span><span>…2分</span><br><br><span> =52＋20 </span><span>…3分</span><br><br><span> =72（元） </span><span>…4.5分（含0.5分单位）</span><br><br><span> ②（6.5＋2.5）×8</span><span>…2分</span><br><br><span> =9×8 </span><span>…3分</span><br><br><span> =72（元） </span><span>…4.5分（含0.5分单位）</span><br><br><font color="#0000ff"><span style=" font-family: 宋体;">答：买8瓶果汁和8盒牛奶一共要72元。</span><span>…5分（答语占0.5分）</span></font><br><br><span>分步计算：</span><br><br><span>①6.5×8=52（元）</span><span>…1.5分</span><br><br><span>2.5×8=20（元）</span><span>…3分</span><br><br><span>52＋20=72（元）</span><span>…4.5分</span><br><br><span>②6.5＋2.5=9（元）</span><span>…2.5分（漏写单位扣0.5分，</span><span>但不重复扣分</span><span>）</span><br><br><span> 9×8=72（元） </span><span>…4.5分</span><br><br><font color="#0000ff"><span style=" font-family: 宋体;">答：买8瓶果汁和8盒牛奶一共要72元。</span><span>…5分（答语占0.5分）</span></font><br><br><font color="#ff0000"><span>3．（1）</span><span>方程解法：</span><span> </span></font><br><br><span> </span><span>解：设</span><span style=" font-family: 宋体;">《古今数学思想》有</span><span>x本。</span><span>…0.5分</span><br><br><span> 2x＋5=67 </span><span>…2.5分</span><br><br><span> 2x=62 </span><span>…3.5分</span><br><br><span> </span><span>X</span><span>=31 </span><span>…4.5分</span><br><br><span>答：</span><span style=" font-family: 宋体;">《古今数学思想》有</span><span>31本。 </span><span>…5分（答语占0.5分）</span><br><br><font color="#0000ff"><span>算术解法：</span><br><br><span>（67－5）÷2</span><span>…2分</span><br><br><span>=62÷2 </span><span>…3分</span><br><br><span>=31（本） </span><span>…4.5分（含0.5分单位）</span></font><br><br><span>答：</span><span style=" font-family: 宋体;">《古今数学思想》有</span><span>31本。 </span><span>…5分（答语占0.5分）</span><br><br><span>也可以分步列式，按步给分：</span><br><br><span>67－5=62（本）</span><span>…2.5分（漏写单位扣0.5分，</span><span>但不重复扣分</span><span>）</span><br><br><span>62÷2=31（本）</span><span>…4.5分</span><br><br><span>答：</span><span style=" font-family: 宋体;">《古今数学思想》有</span><span>31本。 </span><span>…5分（答语占0.5分）</span><br><br><font color="#ff0000"><span>（2）</span><span>方程解法：</span><span> </span></font><br><br><span> </span><span>解：设</span><span style=" font-family: 宋体;">《古今数学思想》的单价是x元</span><span>。</span><span>…0.5分</span><br><br><span> 3x－x=26.1 </span><span>…2.5分</span><br><br><span> 2x=26.1 </span><span>…3.5分</span><br><br><span> </span><span>X</span><span>=13.05 </span><span>…4.5分</span><br><br><span>答：</span><span style=" font-family: 宋体;">《古今数学思想》的单价是13.05元</span><span>。 </span><span>…5分（答语占0.5分）</span><br><br><font color="#0000ff"><span>算术解法：</span><br><br><span style=" font-weight:bold; ">没写出（3－1）之一步，直接写2的，其他都对的，扣1分。</span></font><span style=" font-weight:bold; "></span><br><br><span>26.1÷（3－1）</span><span>…2分</span><br><br><span>=26.1÷2 </span><span>…3分</span><br><br><span>=13.05（元） </span><span>…4.5分（含0.5分单位）</span><br><br><span>答：</span><span style=" font-family: 宋体;">《古今数学思想》的单价是13.05元</span><span>。 </span><span>…5分（答语占0.5分）</span><br><br><span><font color="#0000ff">也可以分步列式，按步给分：</font></span><br><br><span>3－1=2（本）</span><span>…2.5分（漏写单位扣0.5分，</span><span>但不重复扣分</span><span>）</span><br><br><span>26.1÷2=13.05（本）</span><span>…4.5分</span><br><br><span>答：</span><span style=" font-family: 宋体;">《古今数学思想》的单价是13.05元</span><span>。 </span><span>…5分（答语占0.5分）</span><br></div>
四年级下