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一、教学设计思路时、分、秒是时间单位的一部分,“秒的认识”一课是在学生认识了时间单位时与分的基础上进行教学的。三年级学生对秒的知识在日常生活中虽已有不少
First, the teaching design ideas, minutes and seconds are part of the time unit, “second understanding ” lesson is a student in the understanding of the time unit when and on the basis of teaching. Third-year students have a lot of knowledge of the second life in daily life