【教学内容】苏教版小学数学三年级上册第78~79页【教学目标】1.通过合作探究,利用一一对应的思想找到“两种物体一个隔一个地排成一行,它们的数量可能相等,也可能相差1”这一规律。2.在探索活动中体会观察、比较、归纳是寻找和发现规律的基本方法,初步培养分析、比较、综合和归纳的能力。3.在发现规律的过程中,感受数学与生活的联系,培养用数学眼光观察周围事物,以数学视角分析 Teaching content】 【Sujiao primary school mathematics third grade volumes 78 ~ 79 【Teaching Objectives】 1. Through cooperation and exploration, the use of one-to-one correspondence to find “two kinds of objects one by one row, their number May be equal, may differ by 1 ”this rule. 2. Exploring activities in the experience of observation, comparison, induction is to find and find the basic method of law, the initial training to analyze, compare, synthesize and inductive ability. In the process of discovering the law, feel the connection between mathematics and life, cultivate the use of mathematical vision to observe the surrounding things, mathematical analysis