教学目标:1.通过观察、猜测、实验、推理等活动,使学生发现图形和数的排列规律。2.培养学生的观察、操作及归纳推理的能力。教学重、难点:发现规律,找出规律。教学准备:图片。教学过程:一、谈话交流,激发兴趣最近老师觉得咱们班的同学表现非常好,上课认真,发言积极,字也写得特别端正,为了表扬大家,我决定邀请同学们到我的 Teaching Objectives: 1. Through the observation, speculation, experiments, reasoning and other activities, so that students find the arrangement of figures and numbers. 2. Develop students’ abilities to observe, manipulate and deduce reasoning. Teaching heavy, difficult: find the law, find out the law. Teaching Preparation: Pictures. Teaching process: First, the exchange of conversation, to stimulate interest Recently, the teacher felt that our classmates performed very well, class serious, positive statement, the word is also written in particular, in recognition of you, I decided to invite students to my