教学内容:苏教版《义务教育教科书·数学》三年级上册第78~79页。教学目标:1.使学生通过合作探究探索并发现一一间隔排列的事物中隐含的规律,能应用规律解释一些简单的生活现象,解决一些简单的实际问题。2.使学生经历从日常生活现象中归纳出简单数学规律的过程,感受解决问题方法的多样性,感悟一一对应、模型、符号化等数学思想方法,积累分析和解决问题的 Teaching content: The Soviet version of “compulsory education textbook · Mathematics” third grade on the first 78 ~ 79 pages. Teaching Objectives: 1. To enable students to explore through exploration of cooperation and found one by one the rules hidden in the arrangement of things, the law can be applied to explain some simple life phenomena, to solve some simple practical problems. 2. Make students experience from the phenomenon of daily life summed up the process of simple mathematical law, feel the diversity of methods to solve problems, sentiment one by one correspondence, model, symbolic and other mathematical methods to accumulate and analyze and solve problems