<strong><span>一、知识宫探秘。(每空1分</span><span>，</span><span>共28分)</span></strong><br><br><strong><span>1</span></strong><span>．</span><span>16与14的和是( )</span><span>，</span><span>再减去20</span><span>，</span><span>结果得( )。</span><br><br><strong><span>2</span></strong><span>．</span><span>照规律填数。</span><div><br></div><div><img src="https://www.szxuexiao.com/uploadimages/2018/0718/2018718155116.png?m=0.773990398286281"><br><br><strong><span>3</span></strong><span>．</span><span>在○</span><span>里填“＞”“＜”或“＝”。</span><br><br><span>47</span><span>＋2 </span>○ <span>47</span><span>＋20 4＋75 </span>○ 74＋5 13－9 ○ 17－9</div><div><br><span>50</span><span>＋48 </span>○ 40＋48 30＋66 ○ 3＋66 16＋9 ○ 34－9</div><div><br><strong><span>4</span></strong><span>．</span><span>84比91少( )</span><span> </span><span> 52比28多( )</span><br><br><span>( )比17多10 24比( )多14</span><br><br><strong><span>5</span></strong><span>．</span><span>最小的两位数是( )</span><span>，</span><span>最大的两位数是( )</span><span>，</span><span>它们的差是( )。</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0718/201871815545.png?m=0.7271363832666535"><br><br><strong><span>7</span></strong><span>．</span><span>少先队员参加“学雷锋见行动”活动。三(1)中队有39名少先队员参加</span><span>，</span><span>二(2)中队有42名少先队员参加</span><span>，</span><span>两个中队共有( )名少先队员参加了活动。</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0718/201871815554.png?m=0.1373835823656513"><br><br><strong><span>9</span></strong><span>．</span><span>填表。</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0718/2018718155544.png?m=0.9719106139688467"><br><br><span><strong>二、计算题。(共30分)</strong></span><br><br><strong><span>1</span></strong><span>．</span><span>(12分)直接写出得数。</span><br><br><span>20</span><span>＋80＝ 34－20＝ 16＋18＝ 38＋25＝ </span><br><br><span>32</span><span>－18＝ </span><span> 33</span><span>＋27＝ </span><span> 54</span><span>－36＝ </span><span> 48</span><span>＋40＝ </span><br><br><span>28</span><span>－5＝ </span><span> 64</span><span>－4＝ </span><span> 68</span><span>－6＝ </span><span> 33</span><span>＋8＝ </span><br><br><strong><span>2</span></strong><span>．</span><span>(18分)列竖式计算。</span><br><br><span>34</span><span>＋52＋10 56－14＋6 </span><span> </span><span>77－70＋21 </span><br><br><br><span>16</span><span>－8＋31 </span><span> 28</span><span>＋35＋24 </span><span> 75</span><span>－28－39 </span><br><br><br><span><strong>三、看图列式计算。(共10分)</strong></span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0718/201871816454.png?m=0.479267123477906"></div><div><img src="https://www.szxuexiao.com/uploadimages/2018/0718/20187181668.png?m=0.15573837706456217"><br><br><span><strong>四、智慧眼选优。(在正确的答案下面画“√”)(共4分)</strong></span><br><br><strong><span>1</span></strong><span>．</span><span>(2分)书包的价钱接近30元</span><span>，</span><span>它的价钱可能是多少元？</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0718/201871816644.png?m=0.5833505339222858"><br><br><strong><span>2.</span></strong><span>(2分)75减去哪一个数</span><span>，</span><span>结果等于三十多？</span></div><div><br></div><div><img src="https://www.szxuexiao.com/uploadimages/2018/0718/201871816712.png?m=0.5489445515751037"><br></div><div><br><span><strong>五、生活百草园。(共28分)</strong></span><br><br><strong><span>1</span></strong><span>．</span><span>(8分)同学们做红花</span><span>，</span><span>第一组做了38朵</span><span>，</span><span>第二组做了24朵</span><span>，</span><span>第三组做的红花比第一组和第二组做的红花的总和多12朵。</span><br><br><span>(1)第一组和第二组一共做了多少朵？</span><br><br><span>(2)第三组做了多少朵？</span><br><br><strong><span>2</span></strong><span>．</span><span>(6分)学校大路的左边插了37面红旗</span><span>，</span><span>右边插了29面红旗。</span><br><br><span>(1)右边比左边少插了多少面红旗？</span><br><br><span>(2)从左边拿( )面红旗插到右边</span><span>，</span><span>两边的红旗就同样多了。</span><br><br><strong><span>3</span></strong><span>．</span><span>(10分)</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0718/201871816826.png?m=0.636598563035552"><br><br><strong><span>4</span></strong><span>．</span><span>(4</span><span>分)</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2018/0718/2018718161630.png?m=0.8263087045202775"><br><br><strong>智力冲浪</strong><br><br><span>(10分)笑笑今年8岁</span><span>，</span><span>妈妈比笑笑大24岁</span><span>，</span><span>姨(yí)妈比妈妈小3岁。姨妈今年多大？</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">2018年小学二年级数学上册《第一单元》测试题参考答案</font></strong></div><br><span><strong>一、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>30 10 </span></div><div><strong><span><br></span></strong></div><div><strong><span>2.</span></strong><span>29 41 65 70 </span></div><div><strong><span><br></span></strong></div><div><strong><span>3.</span></strong><span>＜ ＝ ＜ ＞ ＞ ＝ </span></div><div><strong><span><br></span></strong></div><div><strong><span>4.</span></strong><span>7 24 27 10 </span></div><div><strong><span><br></span></strong></div><div><strong><span>5.</span></strong><span>10 99 89 </span></div><div><strong><span><br></span></strong></div><div><strong><span>6.</span></strong><span>(1)92 (2)16 </span></div><div><strong><span><br></span></strong></div><div><strong><span>7.</span></strong><span>81 </span></div><div><strong><span><br></span></strong></div><div><strong><span>8.</span></strong><span>(1)12 4 (2)4 (3)2</span><br><br><strong><span>9</span></strong><span>．</span><span>18 13 </span></div><div><span><br></span></div><div><span><strong>二、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>100 14 34 63 14 60 18 88 23 60 62 41 </span></div><div><strong><span><br></span></strong></div><div><strong><span>2.</span></strong><span>96 48 28 39 87 8 </span></div><div><span><br></span></div><div><span><strong>三、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>25＋18＋38＝81(把) </span></div><div><strong><span><br></span></strong></div><div><strong><span>2.</span></strong><span>43－28＝15(个)</span><br><br><strong><span>3</span></strong><span>．</span><span>35＋46＝81(棵) </span></div><div><strong><span><br></span></strong></div><div><strong><span>4.</span></strong><span>60－24＝36(棵) </span></div><div><strong><span><br></span></strong></div><div><strong><span>5.</span></strong><span>52－16－25＝11(个)</span><br><br><span><strong>四、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>28元√ </span></div><div><strong><span><br></span></strong></div><div><strong><span>2.</span></strong><span>38√ </span></div><div><span><br></span></div><div><span><strong>五、</strong></span></div><div><strong><span><br></span></strong></div><div><strong><span>1.</span></strong><span>(1)38＋24＝62(朵) (2)62＋12＝74(朵)</span><br><br><strong><span>2</span></strong><span>．</span><span>(1)37－29＝8(面) (2)4 </span></div><div><strong><span><br></span></strong></div><div><strong><span>3.</span></strong><span>(1)45＋16＝61(元) (2)16＋38－50＝4(元)</span><br><br><strong><span>4</span></strong><span>．</span><span>54＋23－16＝61(人)</span><br><br><span><strong>智力冲浪</strong></span></div><div><span><br></span></div><div><span>24＋8－3＝29(岁)</span><br><br><span> </span><br></div>
二年级上