创设情境是数学教学模式中常用的一种策略,有利于解决数学的高度抽象性和小学生思维的具体形象性之间的矛盾。创设情境可以使数学课堂教学更接近现实生活,使学生身临其境、加强感知、突出重点、突破难点、激发思维,轻松地接受新知识。创设有效情境是促使学生建构良好认知结构的推动力,是推动学生自主学习的有效保证。 Creating situations is a commonly used strategy in mathematics teaching mode, which helps to resolve the contradiction between the high degree of abstract mathematics and the concrete image of pupils thinking. Creating situations can make mathematics classroom teaching closer to real life, make students immersive, enhance perception, highlight key points, break through difficulties, stimulate thinking and easily accept new knowledge. Creating an effective situation is to promote students to build a good cognitive structure of the driving force is to promote effective student self-learning guarantee.