数学教学的成功与否在很大程度上表现在是否培养了学生的数学能力,而数学能力的强弱在很大程度上又表现在学生能否运用所学知识去解决实际问题。因此,在数学教学中,如何使学生“领悟”出数学知识源于生活,又服 To a large extent, the success of maths teaching is manifested in whether or not students’ mathematical abilities are cultivated. And the strength of maths ability is largely reflected in whether students can apply what they have learned to solve practical problems. Therefore, in mathematics teaching, how to make students “comprehension ” out of mathematics knowledge from life,