在课堂教学中,教师运用录音、录像、教具、挂图、卡片等多种手段;游戏、故事、实践操作、媒体渲染等多种形式创设教学情境,极大地丰富了数学课堂,同时也为学生提供了自主学习和探索的空间,创设了合作互动、平等对话的平台。但我们也发现,有些教师费尽心机创设情境,声、光、电、 In classroom teaching, teachers use a variety of means such as recording, video, teaching aids, flipcharts, cards and other means to create teaching situations in various forms such as games, stories, practical operations and media rendering, greatly enriching the mathematics classroom and providing students with The space for independent study and exploration has created a platform for cooperation, interaction and dialogue on an equal footing. However, we also found that some teachers try their best to create situations, sound, light, electricity,