因式分解       factorization,factoring
公因式         common factor
分式           fraction
有理数         rational expression
约分           reduction of a fraction
最简分式       simplest fraction
通分           changing fractions to a common denominator
最简公分母     simplest common denominator
分式方程       fractional equation
开方          radicand
平方根二次方根 square root
根指数        radical exponent
根号          radical sign
开平方        extraction of square root
算术平方根    arithmetic square root
立方根三次方根 cube root
开立方        extraction of cubic root
有限小数      finite decimal
循环小数      recurring decimal
无限不循环小数 infinite non recurring decimal
无理数        irrational number
正无理数      positive irrational number
负无理数      negative irrational number
实数          real number
一一对应      one to one correspondence
正实数        positive real number
负实数        negative real number
平方根表      square root table
立方根表      cube root table

一元二次方程   quadratic equation in one variable
配方法         solving by of completing the square
公式法         solving by formula
因式分解法     solving by factorization
换元法         solving by changing variable
二元二次方程   quadratic equation in two variable
二元二次方程组 system of quadratic equation in two variable
消元法        method of elimination
平面直角坐标系 rectangular coordinates in two dimensions
横轴          horizontal axis
纵轴          vertical axis
坐标          coordinates
坐标轴        axes
变量          variable
函数          function
图象          graph
一次函数      linear function
二次函数      quadratic function
抛物线        parabola
统计          statistics
样本          sample
平均数        mean
加权平均数    weighted mean
众数          mode
中位数        median
集中趋势      central tendency
方差          variance
标准差        standard deviation
频数          frequency
频率分布表    frequency distribution table
直方图        histogram

三角形        triangle
内角          interior angel  
中线          median   
高            height
不等边三角形   scalence triangle
等腰三角形    isosceles triangel
底边          base
顶角          vertex angle
底角          base angel
锐角三角形    acute triangle
直角三角形    right angled triangle
钝角三角形    obtuse triangle
斜边          hypotenuse
外角          exterior angle
全等形        congruent figures
对应边        corresponding sides
对应角        corresponding angles
全等三角形    congruent triangles
全等于        is congruent to
逆命题        converse proposition
逆定理        converse theorem
垂直平分线    perpendicular bisector
对称点        symmetric points
对称轴        axis of symmetry
轴对称        line symmetry
四边形        quadrilateral
凸四边形      convex quadrilateral
对角线        diagonal
多边形        polygon
五边形        pentagon
平行四边形    parallelogram
矩形         rectangle
菱形         rhombus
正方形       square
对称中心     centre of symmetry
中心对称     point symmetry
梯形         trapezium
等腰梯形     isosceles trapezium
面积         area
比例线段     proportional segments
黄金分割     golden cut
相似形       similar figures
相似三角形   similar triangle
相似于       is similar to
相似比       similarity ratio