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用字母表示数是小学数学教学的重点。教学内容涉及面广,教学方式灵活多样,结合自己多年的教学实践,设计本节课的案例如下:一、教学目标1.知识与技能:学生初步知道用字母式子表示数的意义和作用。掌握含有字母的式子中,乘号的简写、略写等习惯方法。2.过程与方法:培养学生自主学习、合作交流、解决问题的能力,逐步建立符号意识,培养抽象的思维能力。
The number of letters is the primary focus of mathematics teaching. Teaching content involves a wide range of flexible teaching methods, combined with their own teaching practice for many years, the design of this lesson are as follows: First, the teaching objectives 1 knowledge and skills: Students initially know the meaning and role of the letter subexpression. Grasp the letters containing the formula, the short sign of the multiplication sign, abbreviation and other customary methods. 2. Process and methods: to develop students' ability of independent study, cooperation and exchange, problem solving, and gradually establish the symbolic awareness and cultivate abstract thinking ability.