《数学课程标准》强调“让学生在现实情境中体验和理解数学……”“创设情境”是教学中常见的一种策略,有助于激发学生学习的积极性,有助于学生借助已有的知识和经验学习新知识,有助于学生感受学科知识的价值。情境的设置应具有较强的指向性,应起“指向灯”的作用。那么怎样创设有效的数学导入情境 The standard of mathematics curriculum emphasizes that letting students experience and understand mathematics in real situations ...... “” Creating situations “is a common teaching strategy, which helps to stimulate students’ enthusiasm in learning and helps students With existing knowledge and experience to learn new knowledge, help students feel the value of subject knowledge. Set the situation should have a strong directivity, should play ”point to the light " role. So how to create an effective mathematical import situation