学生是否愿意学,是否感兴趣,往往并不是因为他认为这学科、这内容有多么的重要,更多的是因为他认为自己能学、会做,尤其是数学学困生。在学案设计中,如何搭建合适的脚手架,让学困生也能学,让中等生在合作交流中提升,让优秀生能独自探索、领悟,让每位学生在课内都有机会体验成功的快乐,从而提高课堂教学的效率,提高学生对数学学习的兴趣,增加学生学好数学的信心。 Students are willing to learn, is not interested, often not because he thinks this subject, this content is how important, more because he thinks he can learn, will do, especially math difficult students. How to set up a suitable scaffolding in case design so as to enable students who have difficulty in school to learn, so that secondary students can enhance their cooperation and exchange so that excellent students can explore and comprehend alone so that each student can have the chance to experience success in class Happy, so as to improve the efficiency of classroom teaching, improve students ’interest in mathematics learning and increase students’ confidence in learning mathematics.