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暑假期间,有幸参加小学数学苏教版教材的国家培训,颇有收获。其间曾听了一节《认识线段》。老师讲的相当精彩,但其中一个细节让我颇有感触:老师教完新课,让学生判断下面哪些是线段,其中有—条斜着的线段,生1积极举手回答:不是线段。而且坚持不是线段。老师:你为什么认为不是呢?谁来“帮帮”他。生2“勇敢”地站起来说:他认为那是斜的。我认为它有端点,也是直的,所以是线段……
During summer vacation, fortunate enough to participate in the national primary school mathematics teaching textbook training, quite rewarding. During which I have heard a “line of understanding.” The teacher spoke quite wonderful, but one of the details made me quite touched: the teacher taught the new lesson, let the students determine which of the following segments, of which there are - oblique section of the line, students a positive hand raise answer: not a line segment. And insisted not a line. Teacher: Why do you think it is not? Who will “help” him. Health 2 “bravely” stood up and said: He thought it was oblique. I think it has the end point, it is straight, so is the line ...