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《义务教育数学课程标准(2011年版)》在实施建议部分指出,在数学教学活动中,教师应创造性地使用教材,积极开发、利用各种教学资源,为学生提供丰富多彩的学习素材。这就需要教师在数学教学中进行拓展,使数学学习内容由课内向纵深处、向课外延伸。拓展可以使数学教学走向深刻,更能激活学生的思维。那么,怎样在数学教学中进行拓
The Compulsory Education Mathematics Curriculum Standard (2011 Edition) pointed out in the implementation suggestion that in mathematics teaching activities, teachers should make creative use of teaching materials and actively develop and utilize various teaching resources to provide students with rich and colorful learning materials. This requires teachers to expand in mathematics teaching, so that the content of mathematics learning from the depth of the class, extending to extra-curricular. Expansion can make mathematical education to a deeper, more able to activate student thinking. So, how to expand in mathematics teaching