论文部分内容阅读
《旋转》是课标版数学四年级下册的教学内容.通过教学活动,要让学生进一步认识图形的旋转,认识按顺时针或逆时针方向旋转90度的含义,能在方格纸上
“Rotation” is the teaching content of the fourth grade of the fourth edition of the lesson plan, through which students should know more about the rotation of the figure and understand the meaning of turning 90 degrees clockwise or counterclockwise, on the graph paper