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数学来源于生活,而又服务于生活,生活中时时处处存在着数学问题。数学家华罗庚曾经说过:宇宙之大,粒子之微,火箭之速,化工之巧,地球之变,日用之繁,无处不用数学,这是对数学与生活的精彩描述。《全日制义务教育数学课程标准》明确指出:“要重视从学生的生活实践经验和已有的知识中学习数学和理解数学”。在教学中,如果能密切联系生活实际,贴近学生生活,寻找生
Mathematics comes from life, but also serves life. There are mathematical problems everywhere in life. The mathematician Hua Luogeng once said: The universe is big, the particles are tiny, the speed of the rockets, the chemistry is ingenious, the changes of the earth, the complications of daily use, and everywhere there is no mathematics. This is a wonderful description of mathematics and life. The “Full-time Compulsory Education Mathematics Curriculum Standards” clearly states: “We must pay attention to learning mathematics and understanding mathematics from students’ practical experience and existing knowledge.” In teaching, if we can closely relate to the reality of life, we will be close to students’ lives and look for students.