《全日制义务教育数学课程标准》指出:“由于学生生活背景和思考角度不同,所使用的方法必然是多样的,教师应尊重学生的想法,鼓励学生独立思考,提倡计算方法的多样化。”提倡并鼓励算法多样化是从培养学生的数学素养、发展学生数学思维的角度提出的。其实质是尊重学生的个性发展,引导学生调动已有的知识和生 The full-time compulsory education mathematics curriculum standard states: “Due to different student life backgrounds and thinking angles, the methods used must be diverse. Teachers should respect the students’ thinking and encourage students to think independently and promote the diversification of calculation methods. ”To promote and encourage the diversity of algorithms is raised from the perspective of cultivating students ’mathematical quality and developing students’ mathematical thinking. Its essence is to respect the individual character development of the student, guides the student to mobilize the existing knowledge and life