《义务教育数学课程标准》对数感的内涵及功能作了明确表述:“数感主要是指关于数与数量、数量关系、运算结果估计等方面的感悟.建立数感有助于学生理解现实生活中数的意义,理解或表述具体情境中的数量关系.”作为数学教师,要培养学生的数感,最直接的途径,莫过于在解题活动中实现.笔者从以下三个方面来谈谈解题活动中如何培养学 The standard of compulsory education mathematics curriculum expounds the meaning and function of logarithmic sense: “Sense of number mainly refers to sentiment about quantity and quantity, relation of quantity, estimation of operation result, etc. Establishing sense of number helps students to understand Real life, the number of meanings, understanding or expression of the specific relationship between the number of situations. ”As a mathematical teacher, to develop a sense of the number of students, the most direct way than to solve problems in the activities of the author from the following three aspects To talk about how to cultivate learning activities