《标准(2011年版)》颁布后,小学数学各种修订教材逐步开始使用.“图形与几何”领域在2001年大幅调整的基础上又进行了多处“微调”.了解“图形与几何”的延革与变迁,辨析“图形与几何”的核心概念,厘清新教材的脉络结构,了解其设置特点,利于教育教学的实施. After the promulgation of the “Standard (2011 Edition)”, various revised textbooks for primary school mathematics have been gradually put into use. “The” Graphic and Geometry “areas have undergone many” fine-tuning “based on the substantial adjustments made in 2001. Understanding” Graphics and geometry, “the extension and change, discrimination,” Graphics and Geometry, "the core concepts, clarify the structure of the context of new textbooks to understand the characteristics of its setup, which will help the implementation of education and teaching.