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教学内容人教版《数学》三年级(上册)第59～61页例1。教学目标1.在认识时、分的基础上,认识时间单位——秒。知道秒针的特征,初步建立1秒的时
Teaching content PEP “Mathematics” third grade (the first volume) Pages 59 ~ 61 Example 1. Teaching Objectives 1. On the basis of knowing, dividing, knowing time unit - second. Know the characteristics of the second hand, the initial establishment of 1 second time