“数学课程应该是创设与学生生活环境、知识背景密切相关的,又使学生感兴趣的学习情境,让学生在观察、操作、猜测、反思等活动中逐步体会数学知识的产生、形成与发展的过程,获得积极的情感体验,感受数学的力量,同时掌握必要的基础知识与基本技能。”这是《义务教育数学课程标准》中明确指出的。因此,在小学数学教学中,把教材内容同生活实际联系起来,创设符合小学生认知特点的现实情境,让学生在现实情境中体验和理解数 “Mathematics curriculum should be to create a learning context that is closely related to the students’ living environment and knowledge background, and make students interested in, so that students gradually realize the production, formation and development of mathematical knowledge in the activities of observation, operation, speculation and reflection The process of getting a positive emotional experience, feel the power of mathematics, while mastering the necessary basic knowledge and basic skills. ”This is“ compulsory education mathematics curriculum standards ”clearly stated. Therefore, in elementary mathematics teaching, the content of teaching materials should be linked with the reality of life, to create a realistic situation that is in line with the cognitive characteristics of pupils, and to enable students to experience and understand the situation in real situations.