预习是学生听好课,掌握好课堂知识的先决条件,也是数学学习中必不可少的环节,掌握有效的预习方法,有助于学生变被动学习为主动学习,既培养了学生独立思考的能力,又养成了良好的学习习惯。 Pre-learning is a prerequisite for students to listen to good classes and master good classroom knowledge. It is also an indispensable part of mathematics learning. Mastering effective preparation methods helps students change passive learning into active learning, and cultivates students’ ability to think independently. , but also developed a good study habits.