在新课改背景之下,数学教学不再仅仅局限在课本之上的内容,还可以让课外实践和生活应用与数学的教学相结合,让同学们从生活中去发现数学,了解数学,喜欢数学。还可以在课上让同学们动手去解决一些几何问题,使其培养空间想象能力,并且促使同学们的动手能力和自己主动去思考问题的能力。北师大版数学教材注重通过自主探究,积累数学活动经验,以培养学生敏锐的思维方式, In the context of the new curriculum reform, mathematics teaching is no longer confined to the contents of the textbooks, but also allow extra-curricular practice and life applications and mathematics teaching combine to allow students to find mathematics from life, understand mathematics, like mathematics. Students can also be taught in classes to solve some of the geometry problems, make it develop spatial imagination, and to promote the students ability and initiative to think about the problem. Beijing Normal University edition of mathematics textbooks focus on self-exploration, the accumulation of mathematical experience, to develop students keen thinking,