论文部分内容阅读
一、课堂呈现苏教版四年级上册《认识平行》——画平行线师:请利用手边的材料,想办法画一组平行线。交流(师根据学生的回答及时投影展示):生1:我是利用直尺的两条边画的。生2:我是利用数学本上的线画的。
First, the classroom presents the fourth edition of the Soviet version of “understanding of parallel” - Painting parallel line division: Please use the materials at hand, find a way to draw a parallel line. Communication (teacher according to the student’s prompt projection display): Students 1: I use the two sides of the ruler to draw. Students 2: I use the mathematical line drawn.