数学是模式的科学。把握数学模型的类型,掌握数学模型的建构方法,让学生运用数学模型解决问题以形成初步的模型思想是数学教学的应然举措和重要任务。 Mathematics is a model of science. Grasping the type of mathematical model, mastering the method of constructing mathematical model and letting students use mathematical model to solve the problem and form the initial model thinking are the proper measures and important tasks in mathematics teaching.