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“学好数学的秘密不在课堂”

2017-08-24 07:21:27   央广网

作为英文版《一课一练》的编审,尤西斯金甚至将书中所有试题都做了一遍。他说,相比做题目的数量,他更在意学生解题的时间。凭借以往的经验他认为,初中二年级的学生每天花费在练习题上的时间应为30至40分钟。到了高中,练习时间可以增加至一小时。

数学是全宇宙的通用语言

“尽管教学对象和教学环境不同,总体而言,世界各地教授的数学内容却惊人地相似。”1991年,尤西斯金首次来华考察。他发现,上海的中学里,每个班级有45名学生,几乎是美国中学班级学生数量的两倍。在这里,每堂课授课时间是45分钟,学生可以利用15分钟课间时间如厕、休息或稍作运动;而在美国,课间只有5分钟,不少美国教师都担心学生因得不到充分休息而影响课堂学习效果。

在听课过程中,并不懂中文的尤西斯金却能看懂中国教师的授课内容。“这名数学教师讲述了一道几何证明题。同样的知识点,在美国八年级的课堂中也有体现。”他说。意大利科学家伽利略有言:“宇宙是用数学语言编写的。”对此尤西斯金感叹道:“我们的体制可能不同,但从数学、科学、体育、音乐和许多其他活动都可以看到,差异体现了文化的多样性,可以让我们互相学习、共同成长。”(记者 张鹏)

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