《数学课程标准》指出:“数学教学是数学活动的教学。”根据建构主义的观点,数学活动是指学生自己建构数学知识的活动,在数学活动过程中,学生与教材及教师产生交互作用,形成了数学知识、技能和能力,发展了情感态度和思维等方面的品质。在学 According to the standard of mathematics curriculum, mathematics teaching is the teaching of mathematics activities. "According to the constructivism, mathematics activities refer to students’ activities of constructing mathematics knowledge themselves. Students interact with teaching materials and teachers during the process of mathematics activities Role, formed a mathematical knowledge, skills and abilities, developed emotional attitude and thinking and other aspects of quality. Learning