当前，学生中普遍存在着虽然“双基”扎实，但实际应用能力较差的现象。数学知识来源于生活，反之，我们也要利用学过的知识去服务于生活，让数学与生活拉上钩。教师应千方百计创造机会，让学生在生活实践中发现问题、解决问题，培养应用知识的能力。例如在复习多边形面积计算 At present, there is a common phenomenon among students that although the “double base” is solid, the actual application ability is rather poor. Mathematical knowledge comes from life, on the contrary, we also use the knowledge we have learned to serve life and to bring mathematics and life together. Teachers should make every attempt to create opportunities for students to discover problems, solve problems and develop their ability to apply knowledge in their daily life. For example, review polygon area calculations