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《义务教育数学课程标准》增加了“双基”的要求,体现了以学生为本的基本理念。而操作可以使学习变得更直观、形象,给学生积累丰富的活动经验。操作在教学中发挥着重要的作用。操作中可明确数学概念、奠定认知基础;操作可突破教学难点、发展空间观念,操作可让学生获得基本数学思想,发展思维能力。操作是实现教学总目标的有效途径之一。
The standard of compulsory education mathematics curriculum has increased the requirements of “double base” and embodied the basic concept of student-oriented. The operation can make learning more intuitive and vivid, giving students a wealth of experience. Operation plays an important role in teaching. Operation can be clear mathematical concepts, laying a cognitive foundation; operation can break the teaching difficulties, the development of space concepts, the operation allows students to acquire basic mathematical thinking, development thinking ability. Operation is one of the effective ways to achieve the overall goal of teaching.