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【教学案例】师:今天我们继续学习长方形和正方形。师:你能找出长方形、正方形的相同点与不同点吗?比一比哪个小朋友找得多。①学生独立填写表格。在四位学生展示交流的基础上,师生归纳完成下表:师:刚才,小朋友们说出了长方形的对边相等、正方形的四条边都相等,长方形与正方形的角都是直角。
Teaching Case Teacher: Today we continue to learn rectangular and square. Teacher: Can you find the same or different points of a rectangle or a square? ① Students fill out the form independently. On the basis of the exchange of the four students, the teachers and students completed the following table: Teacher: Just now, the children said that the opposite sides of the rectangle are equal. The four sides of the square are equal, and the angles of the rectangle and the square are both right angles.