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引言 笔者经常收看中央电视台的《正大综艺》节目,感到这个节目中的一些活动可以运用于数学教学中去。笔者将它们与数学活动做了对比:快速抢答——观察发现,猜猜看——猜想(类比、归纳、直觉),是真是假——判断对错、选择填空。如果课堂教学也模仿这种形式来进行,那么就可以造成一种轻松、愉快、活跃的课堂气氛。在这种思想启发下,我设计了一堂课,取得了较好的效果。现介绍如下。 课题 球的体积
INTRODUCTION The author often watches CCTV’s “Zhengda Variety Arts” program and feels that some activities in this program can be applied to mathematics teaching. The author compares them with mathematics activities: rapid answer - observation, guessing - guessing (analogy, induction, intuition) is true or false - judgment is right or wrong, and blank is chosen. If classroom teaching is also done in this form, it can create a relaxed, enjoyable and active classroom atmosphere. Inspired by this idea, I designed a lesson and achieved better results. The introduction is as follows. Question The volume of the ball