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《2011年版义务教育数学课程标准》指出:数学教学,要让学生感受数学与生活的联系,要紧密联系学生的生活实际,从学生的生活经验和已有知识出发,创设生动有趣的生活情境,引导学生充分经历学习数学知识的过程,积极有效地开展数学活动。因此,在教学中,要加强数学知识与现实
The compulsory education mathematics curriculum standard of 2011 pointed out: In mathematics teaching, students should feel the connection between mathematics and life. They should be closely linked with the students ’life reality, set off vivid and interesting life situations from the students’ life experiences and existing knowledge, Guide students to fully experience the process of learning mathematics, and actively carry out mathematical activities. Therefore, in teaching, we should strengthen mathematics knowledge and reality