二年级上册语文-角的初步认识-复习题单
二年级1、2班周末数学题单做完请认真检查!(记得将此题单带回学校哦)1角的初步认识------复习题单班级姓名用时(祝孩子们周末愉快!做完请认真检查!)一、填空题。1、一条红领巾有()个角,其中有()个锐角,()个钝角。2、一面国旗有()个角。3、一个长方形中有()个直角,平行四边形中有()个角。4、三角板上有()个角,其中最大的那个角是()角。5、一个角有()个顶点,()条边。6、()时整或()时整,钟面上的时针和分针组成的角是直角。7、比直角大的角是()角,比直角小的角是()角。8、要知道一个角是不是直角,可以用三角板上的()比一比。9、一个直角和一个锐角能拼成()角,两个锐角能拼成一个(...
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