教学的有效性是教学的生命。如何实现有效性是教学研究的一个永恒课题。作为一线教师,提高学生的学业成绩是衡量每一位教师教学成效的重要依据。教材的改版、教育观念的转变、教学手段的更新,其终极目标都是为了提高教学的有效性。“有效教学”是建立在教师倾心“教”和学生用心“学”的基础上的。《课程标准》明确指出:“义务教育阶段的数学课程,其最基本的出发点是促进学生全面、持续、 The effectiveness of teaching is the teaching of life. How to achieve its effectiveness is an eternal topic in teaching and research. As a front-line teacher, to improve students’ academic performance is an important basis to measure the effectiveness of each teacher’s teaching. The revision of teaching materials, the transformation of educational concepts, the updating of teaching methods, and its ultimate goal are to improve the effectiveness of teaching. ”Effective teaching “ is based on the teachers ”teaching “ and the students ”learning “ basis. ”Curriculum Standard“ clearly states: ”The most fundamental starting point for the mathematics curriculum in compulsory education is to promote a comprehensive, continuous,