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《新课程标准》指出:“教学活动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。学生是学习的主人,教师是数学学习的组织者、引导者与合作者。”因此,教师在教学中,要重视学具的使用,提高课堂教学效率。过去教师在讲课中比较注意直观的演示,而不太重视学具的操作。然而直观演示与学具操作是有所区别的,直观演示的操作
The New Curriculum Standard states: “Teaching activities should motivate students to learn actively and provide students with opportunities to fully engage in math activities so that they can truly understand and master basic math knowledge and skills in their own exploration and cooperation and exchange, Mathematical ideas and methods to gain a wide range of experience in mathematics activities.Students are the masters of learning and teachers are the organizers, guides and collaborators of mathematics learning. ”Therefore, teachers should pay attention to the use of learning tools and improve the classroom Teaching efficiency. In the past, teachers pay more attention to visual demonstration in lectures rather than the operation of learning tools. However, visual demonstration and learning tools are different, intuitive demonstration of the operation