通过几何画板的数学实验,师生合作学习一次函数及图像的相关性质与结论,降低学生学习的难度,提高学习的积极性与有效性.让学生第一时间了解教师作图的过程,了解教师的意图,并让学生在操作过程中进行相关的学习. Through the geometric experiment of geometric drawing board, the teachers and students cooperate to learn the related nature and conclusion of a function and the image, reduce the difficulty of learning and improve the enthusiasm and effectiveness of the learning. Let the students know the teacher’s drawing process for the first time and the teacher’s Intent, and allow students to conduct relevant learning during the operation.