教材是实现课程目标、实施教学的重要资源。在课堂教学中我们要根据学生的认知发展水平及已有知识经验,结合学生所处的文化环境和家庭背景及学生思维状况对教材进行二度加工,让教材变得“活”起来,从而有效地调动学生的积极性,促使学生思维“动”起来,让数学课堂变得趣味盎然。一、因地制宜,就地取材知识是伴随情境出现的,怎样合理地呈现情境,教材编写专 Teaching materials is to achieve the goals of the curriculum, the implementation of teaching an important resource. In the classroom teaching, we should process the teaching materials according to the students’ cognitive development level and the existing knowledge and experience, combine the students’ cultural environment, family background and students’ thinking status to make the teaching materials become “alive” , So as to effectively mobilize the enthusiasm of students, prompting students to think “move ” up, so that mathematics classes become interesting. First, according to local conditions, local material knowledge is accompanied by the emergence of the situation, how to reasonably present the situation, teaching materials