三年级数学下册六《认识分数》教材过关卷北师大版.docx

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1、1认识分数一、填一填。(每空 1 分,共 10 分)15 时是一天的 ,4 天是一星期的 。( )( ) ( )( )2分子是 5,比分母少 2,这个分数是( )。3 里面有( )个 ,5 个 是( ),( )个 是 。23 13 19 18 384把一个圆平均分成 6 份,每份是它的 ;平均分成 9 份,每份是它的( )( )。( )( )5计算 1 时,可以把“1”看作( ),计算结果是( )。59二、看图写分数。(1 题 8 分,2 题 10 分,共 18 分)1用分数表示图中阴影部分。( ) ( )( ) ( )2下面每幅图中每种图案的个数各占全部的几分之几?三、涂一涂,表示图的 。(

2、每题 2 分,共 4 分)14122四、按给定的分数涂色,然后比较两个分数的大小。(4 分)39 26五、看图填一填。(每题 6 分,共 12 分)1 ( )5 ( )5 ( )( )21 38 ( )8 ( )8 ( )8六、按分数圈一圈。(12 分)七、算一算。(9 分)3 14 14 16 56 58 18 57 37 56 46 13 131 1 27 59 68 38八、在 里填上“” “ 九、1 答:两个人共吃了这个披萨的 。38 28 58 5821 答:还剩下这桶油的 ,剩下的多,多这桶油的 。37 47 47 37 47 37 17 47 173(1) 答:他们一共吃了这块蛋糕的 。38 28 58 58(2)1 答:小明还要吃这块蛋糕的 。58 38 384222216(份)1 316 216 1116答:涂黄色的占整张纸片的 。11166

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