【教学目标】1.知识与能力目标:使学生理解三角形面积的意义,掌握三角形面积的计算公式,并能运用公式正确计算,同时培养学生的动手能力。2.过程与方法目标:通过学生的动手实践,使学生自己推导出三角形面积计算公式,从而向学生渗透转化的数学思想。3.情感、态度、价值观目标:通过学生自己动手实践,让学生体会到独立探索数学获得成功后的喜悦。 【Teaching Objectives】 1. Knowledge and ability Objective: To enable students to understand the meaning of the triangle area, grasp the formula of the area of ​​the triangle, and can use the formula to calculate correctly, at the same time to develop students’ abilities. 2. Process and method Goals: Through the hands-on practice of students, students can deduce the calculation formula of triangle area to infiltrate students’ mathematical ideas. 3. Emotions, Attitudes and Values ​​Goals: Through the students’ hands-on practice, students can experience the joy of successfully exploring mathematics independently.