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1 从学生已有的生活经验出发,增强概念教学的开放性 教学实践经验告诉我们,开放式的教学内容可以为学生的学习提供广阔的空间,使学生有更多的个性选择,从而为学生的创新活动提供最基本的条件,为他们创新活动的开展提供更多的可能。例如人教版《代数》第一册(下)《不等式和它的基本性质》一节的教学,我们从学生已有的生活知识出发,进行教学。首先创设问题情境:同学们,前面我们学习了一元一次方程和二元一次方程组,从今天开始我们来研究第六章《一元一次不等式和一元一次不
1 Starting from the students’ existing life experience, the open teaching practice experience of the concept teaching has taught us that the open teaching content can provide a broad space for the students’ learning and enable the students to have more individuality choices and thus for the students. Innovation activities provide the most basic conditions and provide more possibilities for their innovation activities. For example, in the teaching of the section “Inequalities and its basic nature” in the first edition of the “Algebra” of the People’s Education Press, we teach students from the students’ existing life knowledge. First of all, create problem situations: Students, in front of us, we have studied the one-dimensional first-order equations and the binary one-order equations. Starting today we will study the sixth chapter: “One dollar once inequality and one dollar once