在小学数学知识内容中,空间与图形是非常重要的一个层面。一方面,它是学生认识人类生存空间的必备知识;另一方面,在学生对于空间、图形不断地观察、作画、猜想、假设、验证的学习活动中,有助于培养学生探究未知世界的好奇心与求知欲,有助于培养学生的想象能力、数学思维与创新精神,有助于促进学生的全面发展。转化思想,是解决数学问题的 In primary school mathematics knowledge content, space and graphics are very important aspects. On the one hand, it is a necessary knowledge for students to know the living space of human beings. On the other hand, it helps to train students to explore the unknown world in their learning activities of observing, painting, guessing, Curiosity and curiosity help to develop students’ imagination, mathematical thinking and innovative spirit, and help to promote the all-round development of students. Transform thinking, is to solve mathematical problems