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怎样看待“数与代数”这部分内容的教育价值?

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(1)能使学生体会到数学与现实生活的紧密联系,认识到数、符号是刻画现实世界数量关系的重要语言,方程、不等式与函数是现实世界的数学模型,从而认识到数学是解决实际问题和进行交流的重要工具,从中感受到数学的价值,初步学会运用数学的思维方式去观察、分析现实社会,去解决日常生活和其他学科学习中的问题,增强应用意识,培养初步的应用能力。

(2)在数与代数的学习过程中,通过对现实世界中的数量关系及其变化规律的探索,数的概念的建立、扩充以及数的运算,公式的建立和推导,方程的建立和求解,函数关系的探究等活动,促进学生对数学学习的兴趣,提高解决问题的能力和自信心,培养学生初步的创新意识和发现能力。

(3)在数与代数中,不仅知识中存在着对立和统一,而且研究过程中也充满了对立与统一。同时,在变量和函数的研究中还充满着运动、变化的思想,而且在数与代数的其他部分的研究中,从运动和变化的观点来考察,也能使认识更加深刻。因此,这部分内容的学习,必将有助于培养学生的辩证唯物主义观点,有利于学生用科学的观点认识现实世界。

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