2025年教学资料:2.1不等式的基本性质
授课题目2.1不等式的基本性质选用教材高等教育出版社《数学》(基础模块上册)授课时长2课时授课类型新授课教学提示本课由实际问题入手,引出比较两个实数大小的“做差比较法”.并将在初中所学一些不等式的性质的基础上,进一步研究不等关系,梳理不等式的基本性质.教学目标能熟练使用“作差比较法”,能举例说明不等式的基本性质,逐步提高数学抽象核心素养;能利用不等式的基本性质推断、证明数(式)的大小关系,逐步提高逻辑推理核心素养.教学重点“作差比较法”,不等式的性质的简单应用教学难点不等式性质的应用教学环节教学内容教师活动学生活动设计意图同学们,与相等关系相比,不等关系在现实世界中更为普遍.我们知道,不等式就...
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