《义务教育数学课程标准(2011年版)》强调教师要结合不同学段学生的生活经验和知识背景,引导学生以自主探索与合作交流的方式,理解数学,发展解决问题的策略,体会数学与现实的联系。重视培养学生的创新意识和实践能力,这既是社会发展的需要,也是数学教育改革的需要。在小学数学实践活动教学中,教师要充分调动学生主动参与的积极性,发挥学生的主体作用,让他们在实践活动中,通过观察、操作、讨论、交流、猜测、归纳、 The Standard of Compulsory Education Mathematics Curriculum Standard (2011 Edition) emphasizes that teachers should combine students’ life experiences and knowledge backgrounds in different segments to guide students to understand mathematics and develop strategies to solve problems by exploring and cooperating with each other autonomously, understand mathematics and reality Contact. Pay attention to cultivating students’ innovative awareness and practical ability, which is not only the needs of social development, but also the need of mathematical education reform. In the teaching of primary school mathematics practice activities, teachers should fully mobilize the enthusiasm of students to take the initiative to participate, give full play to the main role of the students and let them observe, manipulate, discuss, exchange, guess, summarize,