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增强学生的估算意识,让小学生掌握一些简单的估算方法,对帮助学生学会运用数学的思维方式去观察、分析现实社会,去解决日常生活中的问题,从而培养他们的数感及数学应用意识都有积极的意义。
Enhance students' sense of estimation, enable pupils to master some simple estimation methods, and help students learn to apply mathematical thinking to observe and analyze the real world to solve problems in daily life so as to cultivate their sense of number sense and mathematical application Have a positive meaning