论文部分内容阅读
一、说教材 1.说课内容:九年义务教育六年制小学数学人教版第九册P70-74,平行四边形面积的计算。 2.本节教学内容的地位、作用和意义: 九年义务教育六年制小学数学教材关于几何初步知识的安排特点是:从第一册起教材逐步安排学生能够接受的几何初步知识,其中第六册教材安排了长方形和正方形的面积计算;第八册教材中安排了平行四边形三角形和梯形的认识,清楚了其特征及底和高的概念,而第九册教材中“平行四边形面积的计算”是在学生掌握上述内容的基础上安排的,这节课内容掌握的程度,直接影响到学习三角形和梯
First, the textbook 1. Said content: Nine years of compulsory education six years of primary school mathematics PEP Ninth P70-74, parallelogram area calculation. 2. The status, role and significance of the teaching content of this section: The nine-year compulsory education six-year primary school mathematics textbook on the geometry of the initial knowledge arrangements are: from the first volume of textbooks to gradually arrange the students can accept the geometric preliminary knowledge, of which the first Six volumes of textbook arranged rectangular and square area calculation; eighth textbook arranged parallelogram triangle and trapezoidal understanding of its characteristics and the concept of bottom and high, and the ninth book textbook “parallelogram area Calculation ”is based on the students to master the above content arranged on the content of this lesson to grasp the extent of a direct impact on learning triangle and ladder