在数学教学中,传统的教法老师讲什么、学生听什么,老师问什么、学生答什么已不适应现代教学的要求。小学数学《课程标准》明确指出,有效的数学学习活动不能靠单纯的模仿与记忆,“动手实践”、“自主探索”与“合作交流”是学生学习数学的重要方式。目前,课堂教学的改革已成为整个教育改革的关键环节,教学方式方法的改革已成为人们所关注的焦点,合作学习便成为广大教师研究的重点对象。近年来,我校在县教委提出的“深入推行课改、唱 In mathematics teaching, what is taught by the traditional teaching method teachers, what the students listen to, what the teacher asked, what is the answer from the students? Elementary mathematics curriculum standard clearly pointed out that effective mathematics learning activities can not rely on a simple imitation and memory, ”hands-on “ . At present, the reform of classroom teaching has become the key link of the entire education reform. The reform of teaching methods and methods has become the focus of attention. Cooperative learning has become the focus of the majority of teachers. In recent years, our school proposed in the County Board of Education ”in-depth implementation of curriculum reform, singing