以社会热点为素材的试题频频出现在2009年全国各省市的中考数学试题中,成为一道亮丽的风景线,同时也体现了中考数学命题的一个方向和趋势.这些试题,以能力立意,在考查基础知识的同时,主要考查综合运用所学知识分析问题、解决问题的能力和建模能力.解答这类试题,常常需要认真分析题意,寻找各数量之间的关系,从实际问题抽象出 Test questions based on social hotspots frequently appeared in the 2009 National Mathematics exam questions of all provinces and cities across the country, becoming a beautiful landscape, and also embodying a direction and trend of the mathematics proposition of the senior high school entrance examination. These questions are based on competency and are based on examination. At the same time as knowledge, it mainly examines the ability to analyze problems, solve problems, and model the ability to synthesize and use the learned knowledge. To answer such questions, it is often necessary to carefully analyze the meaning of the questions, to find the relationship between the numbers, and to abstract the practical problems.