《九年义务教育数学课程标准》(实验稿)指出:“有效的数学学习活动不能单纯地依赖模仿与记忆,动手实践…是学习数学的重要方式.”新大纲在初一几何中要求学生“通过对长方体和它的表面积的探究,制作长方体纸盒,并在剪开纸片前先进行美术设计”.课本中有“设计长城牌2001年墨水 The “Nine-Year Compulsory Education Mathematics Curriculum Standards” (experimental manuscript) pointed out: “Effective mathematics learning activities cannot simply rely on imitation and memory, and hands-on practice ... is an important way to learn mathematics.” The new outline requires students in the first grade of geometry. Through the exploration of the cuboid and its surface area, the rectangular box was made and the art design was carried out before the paper was cut.“ Text ”Design Great Wall Brand 2001 Ink"