《全日制义务教育数学课程标准》明确指出:“教师应激发学生的学习积极性,向学生提供充分从事数学活动的机会,帮助他们在自主探索和合作交流的过程中真正理解和掌握基本的数学知识与技能、数学思想和方法,获得广泛的数学活动经验。”由此可见新课改的宗旨是改善教与学的方式,把学习过程、思维过程还给学生,形成“自主互助学习型课堂”教 The standard of full-time compulsory education mathematics curriculum clearly states: “Teachers should stimulate their enthusiasm for learning and provide students with opportunities to fully engage in math activities to help them truly understand and master basic mathematics in their own exploration and cooperation and exchange. Knowledge and skills, mathematical ideas and methods, access to a wide range of experience in math activities. ”This shows that the purpose of the new curriculum reform is to improve the teaching and learning methods, the learning process, thinking process back to students, the formation of“ self-help mutual learning Type classroom ”teach