冀教版数学二年级上册第四单元测试卷及答案
第四单元测试卷一、填一填。1.一条红领巾有( )个角,一面国旗有( )个角。2.一个长方形中有( )个直角,两块手帕有( )个直角。3.三角板上有( )个角,其中最大的那个角是( )角。4.一个角有( )个顶点,( )条边。5.请你给下图的角的各部分填上名称。6.写出下图中标出的各是什么角。7.数一数下面的图形中各有几个角,填在( )里。二、辨一辨。1.下面的图形哪些是角?是角的在括号里里画“”,不是的画“✕”。2.用三角板上的直角比一比下面哪些角是直角,是直角的画“△”,不是直角的画“○”。3.用三角板比一比下面哪个角大哪个角小,大的画“√”,小的画“✕”。(8分)三、...
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