<div style="text-align: center;"><strong><font color="#ff0000">新人教版小学二年级上册数学第二单元测试题</font></strong></div><br><div style="text-align: center;">班级<span style="text-decoration: underline;"> </span> 姓名<span style="text-decoration: underline;">： </span></div><br><span><strong>一、看谁的口算本领强。</strong></span><br><br><span>16+8= </span><span> </span><span>9+25= </span><span> </span><span> 31</span><span>-</span><span>6= </span><span> </span><span> 50+8= </span><span> </span><span> 54</span><span>-</span><span>3=</span><br><br><span>40+50= </span><span> </span><span>6+30= </span><span> </span><span>6+24= </span><span> </span><span>52</span><span>-</span><span>7= </span><span> </span><span>8+32=</span><br><br><span>28+10= </span><span> </span><span>30</span><span>-</span><span>7= </span><span> </span><span>18+3= </span><span> </span><span>76</span><span>-</span><span>20= </span><span> </span><span>64</span><span>-</span><span>9=</span><br><br><span>26+20+4= </span><span> </span><span>68</span><span>-</span><span>8+9= </span><span> </span><span>76</span><span>-</span><span>8</span><span>-</span><span>20= </span><span> </span><span>65+5</span><span>-</span><span>70= </span><span> </span><span>90</span><span>-</span><span>2</span><span>-</span><span>80=</span><br><br><span><strong>二、计算。</strong></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/1020/20141020175220.jpg?m=0.5474069840274751"><br><br><strong><span>三、列竖式计算。</span></strong><br><br><span>（1）</span><span>35</span><span> </span><span>+</span><span> </span><span>17</span><span> </span><span>+</span><span> </span><span>16</span><span> </span><span>= </span><span>（</span><span>2</span><span>）</span><span>80</span><span> </span><span>–</span><span>41</span><span> </span><span>–</span><span>25</span><span> </span><span>= </span><span>（</span><span>3</span><span>）</span><span>67</span><span> </span><span>–</span><span>23</span><span> </span><span>+</span><span> </span><span>37</span><span> </span><span>=</span><br><br><br><span>（</span><span>4</span><span>）</span><span>48</span><span> </span><span>+</span><span> </span><span>20</span><span> </span><span>–</span><span>50</span><span> </span><span>= </span><span>（</span><span>5</span><span>）</span><span>85</span><span> </span><span>-</span><span> </span><span>70</span><span> </span><span>+</span><span> </span><span>16</span><span> </span><span>= </span><span>（</span><span>6</span><span>）</span><span>60</span><span> </span><span>-</span><span> </span><span>13</span><span> </span><span>-</span><span> </span><span>27</span><span> </span><span>=</span><br><br><span><strong>四、填一填。</strong></span><br><br><span>1</span><span>、一个两位数，个位上是</span><span>6</span><span>、十位上是</span><span>9</span><span>，这个数写作（</span><span> </span><span>）。</span><br><br><span>2</span><span>、笔算两位数加法，要记住三条：</span><br><br><span>①相同数位（</span><span> </span><span>）。</span><span> </span><span>②从（</span><span> </span><span>）加起。</span><span> </span><span>③个位满十向（</span><span> </span><span>）进</span><span>1</span><span>。</span><br><br><span>3、</span><span>一个数是</span><span>50</span><span>，另一个数是</span><span>15</span><span>，这两个数的和是（</span><span> </span><span>），差是（</span><span> </span><span>）。</span><br><br><strong><span>五、诊一诊。</span><span>（有毛病的改在方框里）</span></strong><br><br><span>1</span><span>、</span><span>62+38=90 2</span><span>、</span><span>30</span><span> </span><span>-</span><span>17=23</span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/1020/20141020175343.jpg?m=0.3096124909352511"><br><br><span><strong>六、用数学。</strong></span><br><br><img src="//www.szxuexiao.com/uploadimages/2014/1020/20141020175520.jpg?m=0.007708549266681075"><br><br><img src="//www.szxuexiao.com/uploadimages/2014/1020/20141020175711.jpg?m=0.21480536623857915"><br><span> </span><br>
二年级上