人教版二年级数学上册-单元测试卷-角的初步认识-第3单元过关检测卷+答案_小学1-6年级全部试卷_数学_二年级_3-7-3、小学二年级数学上册_3-7-3-2、练习题、作业、试题、试卷_人教版

第3单元过关检测卷 时间：40分钟 满分：100分 题号 一 二 三 四 五 六 七 八 九 十 总分 一、填一填。(每空1分，共17分) 1. 一个角有( ) 个顶点，( )条边。 2. 一张长方形纸先上下对折，再左右对折，就可以折出一个( )角。 3. 在我们学过的角中，( )角比直角小，( )角比直角大。 4. 《典中点》的封面有( )个角，都是( )角。 5. 三角尺上最大的角是( )角，红领巾上最大的角是( )角。 6. 角的大小与角的两条边叉开的大小( )，与角的两条边的( )无关。 7. 写出下面各角的名称，并比较大小。 INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX420.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX420.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX420.tif" \* MERGEFORMATINET ( ) 角 ( ) 角 ( ) 角 二、判断。(对的画“√”，错的画“×”；每题1分，共5分) 1. 一个直角和一个锐角拼成的角一定是钝角。 ( ) 2. 用一副三角板上的两个角能拼一个直角。 ( ) 3. 3时整钟面上时针和分针成直角。 ( ) 4. 在一个三角形里一定不会有两个直角。 ( ) 5. 一个正方体有4个直角。 ( ) 三、选择。(将正确答案的序号填在括号里；每题2分，共10分) 1. 下面物体的表面有角的是( )。 ① INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S135A.tif" \*MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S135A.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\S135A.tif" \* MERGEFORMATINET ② INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S135B.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S135B.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\S135B.tif" \* MERGEFORMATINET ③ INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S135.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S135.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\ \word\\S135.tif" \* MERGEFORMATINET 2. 下面( )拼成的角是直角。 ① INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S136A.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S136A.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\S136A.tif" \* MERGEFORMATINET ② INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S136B.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S136B.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\S136B.tif" \* MERGEFORMATINET ③ INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S136.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S136.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S136.tif" \* MERGEFORMATINET 3. 下图中有( )个钝角。 INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S137.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S137.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\ \word\\S137.tif" \* MERGEFORMATINET ①3 ②1 ③2 4. 下图中角最小的是( )。 ① INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S138A.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S138A.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\S138A.tif" \* MERGEFORMATINET ② INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S138B.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S138B.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S138B.tif" \* MERGEFORMATINET ③ INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S138.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S138.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S138.tif" \* MERGEFORMATINET 5. 下图中角最大的是( )。 ① INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S139A.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S139A.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S139A.tif" \* MERGEFORMATINET ② INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S139B.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S139B.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\S139B.tif" \* MERGEFORMATINET ③ INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S139.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\S139.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \S139.tif" \* MERGEFORMATINET 四、找一找。(12分) 1. 在角的下面画“√”。(8分) INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX418.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX418.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX418.tif" \* MERGEFORMATINET 2. 在直角的下面画“ INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\W1.tif"\* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \W1.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\ \word\\W1.tif" \* MERGEFORMATINET ”。(4分) INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX419.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX419.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX419.tif" \* MERGEFORMATINET 五、分一分。(12分) INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX421.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX421.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX421.tif" \* MERGEFORMATINET 六、拼一拼，下图中拼成的角各是什么角？(6分) INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX422.tif" \*MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX422.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX422.tif" \* MERGEFORMATINET 七、画一画。(12分) 1. 画一个锐角、钝角、直角。(6分) 2. 在方格纸上画一个长方形和一个正方形。(6分)八、数一数。(12分) INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX425.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX425.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX425.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX426.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX426.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX426.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX427.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX427.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX427.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX428.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX428.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX428.tif" \* MERGEFORMATINET( )个直角 ( )个直角 ( )个直角 ( )个直角 ( )个锐角 ( )个锐角 ( )个锐角 ( )个锐角 ( )个钝角 ( )个钝角 ( )个钝角 ( )个钝角 九、下面钟面上的时针和分针组成了什么角？写一写。(8分) INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX429.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX429.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX429.tif" \* MERGEFORMATINET ( ) ( ) ( ) ( ) 十、按要求画一条线段。(6分) INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\SX430.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\ \SX430.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数 学\\word\\SX430.tif" \* MERGEFORMATINET 有2个直角 有3个直角 有4个直角答案 一、1. 1 2 2. 直 3. 锐 钝 4. 4 直 5. 直 钝 6. 有关 长短 7. 直 锐 钝 锐 直 钝 二、1. √ 2. × 3. √ 4. √ 5. × 三、1. ③ 2. ② 3. ③ 4. ② 5. ③ 四、1. (√)(√)( )( )(√)( )(√)( ) 2. ( INCLUDEPICTURE "E:\\2018 秋英语\\数学\\word\\W1.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018 秋英语\\数学\\word\\W1.tif" \* MERGEFORMATINET )( )( INCLUDEPICTURE "E:\\2018 秋英语\\数学\\word\\W1.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018 秋英语\\数学\\word\\W1.tif" \* MERGEFORMATINET )( ) 五、 INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\D79.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\D79.tif" \* MERGEFORMATINET 六、钝 直 锐 直 锐 钝 七、略。 八、1 2 0 0 0 5 0 2 2 3 0 2 九、钝角 锐角 钝角 直角 十、(答案不唯一) INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\D80.tif" \* MERGEFORMATINET INCLUDEPICTURE "E:\\2018秋英语\\数学\\word\\D80.tif" \* MERGEFORMATINET