教学的主阵地是课堂,那么教学的有效性也主要在课堂,新课程背景下有效教学最核心的内涵就是学生学习的主动参与,师生互动,老师动口,学生动手,师生间协调配合,共同投入到教学活动中去。知识可以讲清楚,但能力,必须通过训练来形成。有许多课,不是讲解不到位,而是训练不到位。这样练习的设计尤为重要,练习设计 The main position of teaching is the classroom, then the effectiveness of teaching is also mainly in the classroom, the new curriculum background of effective teaching is the core content of the active participation of student learning, teacher interaction, teachers move, students hands-on coordination between teachers and students , Jointly invested in teaching activities to go. Knowledge can make it clear, but abilities must be formed through training. There are many lessons, not to explain not in place, but training is not in place. This practice is particularly important design, practice design