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1.故事导入法。教师可用一则故事引入新课:“从前有座山,山里有座庙,庙里有个老和尚,老和尚对小和尚说:从前有座山,山里有座庙,庙里有个老和尚,老和尚对小和尚说……”然后教师问: “这个故事要讲多久才能讲完呢?”当学生问答“永远都讲不完。”教师便说:“今天我们要学习一种数,与这个故事有密切联系,大家想不想认识它呢?”(想)于是揭示新课:循环小数。
1. Introduction to the story. Teachers can use a story to introduce a new lesson: “In the past there is a mountain, a temple in the mountain, there is an old monk in the temple, the old monk said to the young monk: In the past a mountain, a temple in the mountain, the temple has an old monk , The old monk said to the young monk ... ”Then the teacher asks,“ How long does it take for the story to finish? ”When the student quiz“ can never finish it, ”the teacher said:“ Today we have to learn a few numbers, Closely related to this story, do you want to know it? ”(Think) So reveal a new lesson: looping decimals.