论文部分内容阅读
导入点的优化是课堂教学优化的核心。教学实践证明:所设导入点的“质量”如何,直接影响学生探究的积极性和效果。一、要抓住关键,突出重点,具有深刻性为引导学生排除数量关系和几何形体表面呈现的非本质属性,认识其内涵的本质属性,导入点要抓住关键突出重点,具有深刻性。如学习“求一个数比另个数多(少)百分之几”的例题:一个乡去年计划造林160亩,实际造林200亩,实际造林比原计划增加百分之几?
Optimization of the point of entry is the core of classroom teaching optimization. The teaching practice proves: how to set “” quality of the imported point, it will directly affect the enthusiasm and effect of student inquiry. First, it is necessary to grasp the key, highlight the key, with profound nature To guide students to exclude the number of relations between the surface and the geometry of the surface of the non-essential attributes, to understand the essential attributes of its content, the import point to seize the key to highlight the key, profound. Such as learning “seeking a number more than the other number (less) a few percent” of the example: a rural last year plan to afforestation 160 acres, the actual afforestation 200 acres, the actual afforestation than the original plan to increase the percentage?