著名研究者布兰斯福德(Bransford)领衔创立的“非正式与正式环境学习研究中心”指出,一个人从儿童到成年,学习是在各种正式的与非正式的环境中发生的,以学校为代表的正式教育环境中的学习与校外各场所及日常生活情境中的非正式环境中的学习,两者具有不同特征又相互关联。就小学生的数学学习而言,也存在着“正式学习(主要指学校范围内的学习)”和“非正式学习(主要是指发生在正式学习以外的学习)”两种学习方式。教师应以周围世界为源泉,寻找生 The Center for Informal and Formal Environmental Studies, led by the famous researcher Bransford, points out that from childhood to adulthood, learning takes place in a variety of formal and informal settings , Learning in the formal education environment represented by the school, and learning in the informal environment in the daily life and in various places outside the school. Both have different characteristics and are interrelated. For primary school mathematics learning, there are also “formal learning (mainly school-wide learning) ” and “informal learning (mainly refers to take place in the study of formal learning) ” two learning methods . Teachers should look for students based on the world around them