课程改革已是教育工作者耳熟能详的词语,但在课程改革下如何有效地提高课堂教学效率也是每一位教育工作者思考的问题。时至今日,更是一个亟待解决的问题。《全日制义务教育数学课程标准》要求:数学教学要紧密联系学生的实际,以教材为主要内容,从学生的生活经验和已有知识出发,通过多种方式为学生创建或模拟一个探索数学知识的情境,为 Curriculum reform is already a familiar word for educators, but how to effectively improve the efficiency of classroom teaching under the curriculum reform is also a question that every educator thinks. Today, it is a problem that needs to be solved urgently. The full-time compulsory education mathematics curriculum standard requires that mathematics teaching should be closely linked with the students 'actualities, with teaching materials as the main content, starting from the students' life experiences and existing knowledge, creating or simulating an exploration of mathematical knowledge for students through various means The situation, for