1977年，马芯兰老师在朝阳区幸福村中心小学，从一年级开始进行小学数学学科的改革实验。我们欣喜地看到，马老师的教改实验，不仅缩短了学时，减轻了课业负担，而且增强了学生的数学能力，提高了教学质量。为此，1984年2月，原市教育局发出《关于向马芯兰同志学习的通知》，认 In 1977, Ma Xinlan began primary school mathematics reform experiment in the elementary school of Happy Village in Chaoyang District. We are pleased to see that Professor Ma’s education reform experiment has not only shortened the school hours, reduced the burden on schoolwork, but also enhanced the students’ mathematical ability and improved the quality of teaching. To this end, in February 1984, the former Municipal Bureau of Education issued a “Notice on Learning from Comrade Ma Xinlan,”