<strong><span>一、单选题</span></strong><br><br><span>1.下列图形哪一个不是对称图形？ </span><br><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212172528.png?m=0.8673832134164534"><br><br><span>2.平行四边形有（ ）条边 </span><br><br><span>A.四 B.五</span> <span>C.六</span><br><br><span>3.把如图形状的一块巧克力，用一条直线分成面积相等的两块，分给两个同学，共有（ ）种分法．</span><br><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212172654.png?m=0.7561724883247867"><br><br><span>A.2种 </span><span>B.4种</span> <span>C.8种</span> <span>D.无数种</span><br><br><span>4.如图是一个无盖正方体盒子的表面展开图，A、B、C为其上的三个点，则在正方形盒子中∠ABC等于（ ）</span><span><br></span><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212172827.png?m=0.4163744886039529"><div><br><span>A.45° </span><span>B.60°</span> C.90° D.120°</div><div><br><span>5.选一选． </span><br><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212173323.png?m=0.18399945716888744"><br><br><span>6.把一个长方形框架拉成一个平行四边形，这个平行四边形的周长与原长方形的周长相比，（）。 </span><br><br><span>A.变长 </span><span>B. 变短 </span><span>C. 不变</span><br><br><strong><span>二、判断题</span></strong><br><br><span>7.“四个角都是直角的四边形是正方形”。 </span><br><br><span>8.用4个小□</span><span>可以拼成一个大的正方形。（ ） </span><br><br><span>9.数学书的封面是长方形。 </span><br><br><span>10.两个面积相等的梯形，一定可以拼成一个长方形．</span><br><br><span>11.两个面积相等的梯形一定能拼成一个平行四边形．（ ） </span><br><br><strong><span>三、填空题</span></strong><br><br><span>12.长方形 ________个，正方形 ________个，圆 ________个。</span><span><br></span><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212175246.png?m=0.20911215768918878"><br><br><span>14.拼一拼。这样的两个三角形可以拼成正方形和三角形吗？</span><span><br></span><span><br></span></div><div><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212175322.png?m=0.9275785890302102"><br><br><span>15.两个正方形可以拼成一个________。 </span><br><br><span>16.用小棒摆正方形。 </span><br><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212175357.png?m=0.04205899723109585"></div><div><br><span>（6）按照上面的方法继续摆下去,摆20个正方形,需要多少根小棒? </span><br><br><span>17.最少用________个□</span><span>可以拼成一个大正方形。 </span><br><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/201921217559.png?m=0.5507702273974431"><br><br><strong><span>四、解答题</span></strong><br><br><span>19.给正方形涂上蓝色。 </span><br><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212175540.png?m=0.9376946031423057"><br><br><span>20.数一数,涂一涂。(每种图形各用一种颜色)</span><span><br></span><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212175610.png?m=0.4745674703396974"><br><br><strong><span>五、综合题</span></strong><br><br><span>21.填一填，涂一涂。</span><span><br></span><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212175654.png?m=0.7887751241726493"><br><br><span>（1）三角形有________个，正方形有________个，长方形有________个，圆有________个。 </span><br><br><span>（2）三角形涂红色，正方形涂黄色，长方形涂绿色，圆涂黑色。 </span><br><br><strong><span>六、应用题</span></strong><br><br><span>22.用一个长8厘米，宽4厘米的长方形形纸改一个正方形。最大的正方形的周长是多少厘米？ </span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">2019年小学一年级数学下册《第三单元-认识图形》测试题参考答案解析部分</font></strong></div><br><span><strong>一、单选题</strong></span><br><br><span>1.</span><span>【答案】</span><span>A </span><br><br><span>2.</span><span>【答案】</span><span>A </span><br><br><span>3.</span><span>【答案】</span><span>D </span><br><br><span>4.</span><span>【答案】</span><span>B </span><br><br><span>5.</span><span>【答案】</span><span>B </span><br><br><span>6.</span><span>【答案】</span><span>C </span><br><br><span><strong>二、判断题</strong></span><br><br><span>7.</span><span>【答案】</span><span>错误 </span><br><br><span>8.</span><span>【答案】</span><span>正确 </span><br><br><span>9.</span><span>【答案】</span><span>正确 </span><br><br><span>10.</span><span>【答案】</span><span>错误 </span><br><br><span>11.</span><span>【答案】</span><span>错误 </span><br><br><span><strong>三、填空题</strong></span><br><br><span>12.</span><span>【答案】</span><span>1；1；1 </span><br><br><span>13.</span><span>【答案】</span><span>平面 </span><br><br><span>14.</span><span>【答案】<img src="https://www.szxuexiao.com/uploadimages/2019/0212/201921217580.png?m=0.8901213274366562"></span><span> </span><br><br><span>15.</span><span>【答案】</span><span>长方形 </span><br><br><span>16.</span><span>【答案】</span><span>（1）4；1</span><span><br></span><span><br></span></div><div><span>（2）7；2</span><span><br></span><span><br></span></div><div><span>（3）10；3</span><span><br></span><span><br></span></div><div><span>（4）13；4</span><span><br></span><span><br></span></div><div><span>（5）16；5</span><span><br></span><span><br></span></div><div><span>（6）1+20×3=61(根)答:摆20个正方形,需要61根小棒。 </span><br><br><span>17.</span><span>【答案】</span><span>4 </span><br><br><span>18.</span><span>【答案】</span><span>5；1 </span><br><br><span><strong>四、解答题</strong></span><br><br><span>19.</span><span>【答案】<img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212175838.png?m=0.6938305038070711"></span><br><br><span>20.</span><span>【答案】</span><span>解：如图：</span><span><br></span><br><img src="https://www.szxuexiao.com/uploadimages/2019/0212/2019212175942.png?m=0.6312402828449968"><br><br><span><strong>五、综合题</strong></span><br><br><span>21.</span><span>【答案】</span><span>（1）3；5；5；6</span><span><br></span><span><br></span></div><div><span>（2）</span></div><div><br></div><div><img src="https://www.szxuexiao.com/uploadimages/2019/0212/201921218030.png?m=0.9783086927340929"><br><br><span><strong>六、应用题</strong></span><br><br><span>22.</span><span>【答案】</span><span>解：4×4＝16﹙厘米﹚</span></div><div><span><br></span><span>答：最大的正方形的周长是16厘米。</span><br></div><div><span><br></span></div>
一年级下