一、问题的提出《数学课程标准》指出:“数学教学应结合学生生活实际问题和已有知识,使学生在认识、使用和学习数学知识的过程中,初步体验数学与现实生活的密切联系.相比落后的以”双基“(显性目标——知识与技能)为目的的教学方式,数学教学”生活化“已经 First, the problem raised ”Mathematical Curriculum Standards“ pointed out: ”Mathematics teaching should be combined with the practical problems of students and existing knowledge, so that students in the process of understanding, using and learning mathematics, the initial experience of mathematics and real life are closely linked Compared to the backward “double base” (dominant target - knowledge and skills) for the purpose of teaching, mathematics teaching “life ” has been