随着研究实践的深入,我们越来越清楚地认识到,仅仅让情境成为数学与生活的“桥梁”是不够的,作为数学课的情境创设,它应该能体现以下两个方面,即儿童性与逻辑性。下面,我结合“确定位置”一课前后两次情境创设的改动,谈谈自己的体会。第一次研课课始的新知教学,我选择教材 With the deepening of research practice, we recognize more and more clearly that it is not enough just to make the situation a “bridge” between mathematics and life. As the creation of the situation in mathematics lesson, it should reflect the following two aspects Childhood and logic. Here, I combined with the “position ” two lessons before and after the creation of changes to talk about their own experience. The first research class of the new teaching, I choose the textbook