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» 100÷10=10被打叉!老师一番解释 网友却怒了
100÷10=10被打叉!老师一番解释 网友却怒了
文章来源: 苹果新闻网 于
2022-08-09 14:08:57
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1名刘姓小学生家长分享了孩子的数学题目,引起网友热烈讨论。翻摄网易网站
中国1题小学数学近日在网路上引起讨论,1名刘姓爸爸检查孩子的数学作业,其中1题的算式是“100÷10=10”,第2天拿回家竟发现被老师“打叉”,刘爸气得打电话跟老师抗议,没想到老师的答案却让他傻眼!
《网易》介绍,老师向刘爸解释说,原本的题目是“1段长100米的铁路,用10米长的铁轨铺,要多少根铁轨?”所以孩子“100÷10=10,要10根”的答案是错的,因为1条火车轨道的铁轨“有2条”!所以答案应该是“20根”。
老师还说,这道题目“不但锻鍊了孩子的算术能力,同时还需要孩子们结合实际(现象)来作答”,刘爸听了老师的解释,连忙就给老师道歉。
但这个小故事在网路上一曝光,就引发网友广大讨论,有些网友讚赏说,这样的题目很新颖,可以上孩子们多加思考,“从中学到一些自己总结的经验,可以很好地运用到生活中”,但也有些网友不满说,“你这考的是数学还是脑筋急转弯”,“有些孩子都没出过(远)门,上哪知道铁轨是双的?”,“你让1个7、8岁的孩子玩套路,怎不让27、28岁的老师研究核弹呢?”
“我还要说40根呢,现在都是双向的”,还有些网友提到,老师出的题目自以为很厉害,但其实并不严谨,“什麽垃圾题目,按你这麽说,那不还有单轨列车呢!单轨不就对了!再扯点,车站不还有几10条铁轨并行呢,100米是不是该几百根了!”,“既然这道题目没有说明是单轨还是双轨,那麽10这个答案也是对的。不能因为你是老师,想咋说就咋说”。
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