新-2020年中考数学试卷结构及考点

最新-2020年中考数学试卷结构及考点最新-2020年中考数学试卷结构及考点最新-2020年中考数学试卷结构及考点资料仅供参考文件编号：2022年4月新-2020年中考数学试卷结构及考点版本号：A修改号：1页次：1.0审核：批准:发布日期：中考数学试卷结构及考点一、试卷的基本结构整个试卷分三部分,共29个题目,130分.第一部分为选择题,共10个题目,30分.第二部分为填空题,共8个题目,24分.第三部分为解答题（包括计算题、几何证明题、函数题和动态综合题）共11个题目,76分.考查的内容及分布本次中考基础分105分.内容覆盖了初中全部的主要知识点,包括实数、方程、不等式、三角形、概率、函数、圆、三角函数等常考知识点.考查知识点在各年级所占的比例选择题（30分）填空题（30分）解答题（76分）分值百分比七年级1、2、611、12、1619、2028%八年级3、4、5、1013、1421、22、23、24、25、2657%九年级7、8、915、17、1827、28、2945%分析试卷中各题在三个年级段所占比例来讲,八年级九年级的比例相对大一点.七、八年级所学的知识在基础题和中等难度题目中出现比较多,而九年级的知识相对来讲偏难一点多出现在压轴题中,比如圆的几何证明、圆与四边形动点、二次函数动点.中考试题都是常规题,题型基本平时都有见过.三、试卷考点和分值1、数与式（共14分,占%）（1）实数·······················································11分（基础必考）（2）分式及数的开方············································3分（基础必考）2、方程与不等式组（共11分,占%）（2）不等式组··················································5分（基础必考）（3）一元二次方程··············································3分（4）二元一次方程应用题········································3分3、函数及其图象（共28分,占%）（1）一次函数··················································7分（难点必考）（2）反比例函数················································8分（难点必考）（3）二次函数··················································13分（难点必考）4、图形的认识（共38分,占%）角度的计算················································3分三角形及三角形全等········································12分四边形····················································6分解直角三角形··············································6分（重点必考）圆························································11分（难点必考）统计与概率（共16分,占%）统计·······················································6分（基础必考)概率·································