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《义务教育数学课程标准》中提出:数学教学要紧密联系学生的生活实际,从学生的经验和已有的知识出发,创设与学生生活环境、知识背景密切相关的,又是学生感兴趣的学习情境,让学生在观察、操作、猜测、交流、反思等活动中逐步体会数学知识的产生、形成和发展的过程。在情境中学数学,是学生最感兴趣的;贴近生活去学数学,是最
Compulsory Education Mathematics Curriculum Standards put forward that mathematics teaching should be closely linked with the students ’actual life, starting from the students’ experience and the existing knowledge, and creating students ’learning environment that is closely related to students’ living environment and knowledge background Situations enable students to gradually understand the process of generating, forming and developing mathematical knowledge in the activities of observation, operation, speculation, exchange and reflection. In situation middle school math, students are most interested in; close to life to learn math, is the most