《新课程标准》要求:数学教育要面向全体学生,实现人人学有价值的数学;人人都获得必需的数学;不同的人在数学上得到不同的发展。作为数学学习的组织者、引导者和合作者,教师在教学中应积极创设问题情境,让学生通过动手操作、自主探索等主体活动去亲近数学、体验数学、“再创造”数学和应用数学,真正成为数学学习的主人。 The New Curriculum Standard requires that mathematics education be directed at all students to achieve a valuable mathematics for everyone; that all people have the necessary mathematics; and that different people have different developments in mathematics. As the organizer, leader and collaborator, teachers in teaching should actively create problem situations so that students can get close to mathematics, experience math, re-create mathematics and application through hands-on activities and independent exploration. Mathematics, truly become the master of mathematics learning.