数学教学的目的是让学生学到有用的数学,即让学生能将所学知识运用于生活当中,有效地解决生活中的数学问题。让学生动手实践、自主探索与合作交流是学习数学的重要方式,因而创设特定的教学情境,让学生亲身体验数学的学习过程,既有助于学生通过探究获取知识,更重要的是能够让学生在体验中逐步掌握数学学习的一般规律和方法,感悟数 The purpose of mathematics teaching is to enable students to learn useful mathematics, that is, to enable students to apply what they have learned in their daily lives and effectively solve their mathematical problems in life. Let students practice, independent exploration and cooperation and exchange is an important way to learn mathematics, and thus create a specific teaching situation, so that students experience the learning process of mathematics, both to help students acquire knowledge through inquiry, more importantly, to enable students In the experience of gradual master the general rules and methods of mathematics learning, sentiment number