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一、教学背景分析1.教学内容分析“正数与负数”是人教版七年级上册第一章第一节的内容,是在小学学习了算术数之后,数的范围的第一次扩充,是算术数到有理数的衔接和过渡,是今后学好有理数、数轴、相反数、绝对值以及有理数运算的基础.2.学情分析七年级学生对概念的理解能力不强,精神不能长时间集中,但思维比较活跃.3.教法分析采取启发探究式的教学法,创设不同问题情境,引
First, the teaching background analysis 1 teaching content analysis “positive and negative ” is the PEP seventh grade on the first chapter of the first section, is the primary school after learning the arithmetic, the number of the first time Expansion is the convergence and transition of arithmetic numbers to rational numbers, and is the basis for learning rational numbers, axes, opposite numbers, absolute values and rational numbers in the future.2.Students analysis The seventh grade students’ ability to understand concepts is not strong, and their spirit can not be prolonged Concentrated, but the thinking is more active.3.Catalogue analysisTake inspired teaching method, create different problem situations, lead