AEAS数学高频词汇-必备

1、.数学核心词汇一：常见符号plus ;positiveminus ;negativemultiplied by ;timesdivided byequalsapproximately equalsnot equal toless thangreater thanequal to or less than equal to or greater than o( )round brackets ;parentheses square brackets bracesis a member of the setis a subset ofsimilar tocongruent to*denotes a

2、n operationthereforebecauseratio sign, divided by, is toequals, as(proportion)square root ofcube root ofparallel toperpendicular to, at right angles withangleright angledegreeminutesecondcircleabarc abethe base of natural logarithms,approx.2.71828x!factorial x, x(x-1)(x-2)-1lognxlog x to the base np

3、ilnxlog x to the base e(natural logarithm)lgxlog x to the base 10(common logarithm)|x|the absolute value of x二： 常见几何计算公式平面图形的周长和面积：perimeterareatriangle三边之和(底高)/2square边长4边长的平方rectangle(长+宽)2长宽parallelogram(长+宽)2底高trapezoid四边之和(上底+下底)高/2rhombus边长4两条对角线之积的1/2circle2r=dr2立体图形的表面积和体积volumesurface arear

4、ectangular prism长宽高2(长宽+长高+宽高)cube棱长的立方6棱长棱长right circular cylinderr2h2r h(侧)+ 2r2(底)*sphere4r3/34r2right circular coner2h/3lr/2 (l为母线)附录：sat数学考试速查词汇aabscissa横坐标absolute value绝对值account for（数量）占acute angle锐角acute triangle锐角三角形add加add toaddition加，加法adjacent相邻adjacent angles邻角algebra代数学algebraic expre

5、ssion代数式algebraic fraction分式algebraic term代数项aliquot除得尽数aliquant除不尽数alternate angles内错角altitude高度amount合计angle角angle bisector角平分线apex顶，顶点apiece每人，每个approximately近似的，大约的approximation近似，近似值arc弧，圆周的任意一段area面积arithmetic算术arithmetic(al) average算术平均数arithmetic(al) mean算术平均数或等差中项arithmetic(al) progression或

6、series算术级数，等差级数assume that假定义at random随机地at right angles with与成直角at this rate以这样的比率，价格或速度average平均，平均数平均的axis轴bbalance余额bar graph(chart)条带图base堤边，底面，幂或乘方的底数base area底面积be across from在对面be closet to最接近be composed of由构成be equal to与相等be equivalent to anther equation与另一方程痛解be fewer than小于be greater than

7、大于be greater than or equal to不小于be inscribed in内接于be less than小于be less than or equal to不大于be parallel to平行于be perpendicular to垂直于be substituted for代替billion109binomial二项式bisect把二等分block立体blot out涂掉，删掉bound辩解，范围；邻接bulk大量ccalculate to three decimal places计算结果保留三位小数cancellation约掉，消掉center圆心central ang

8、le圆心角chart图表chord弦circle圆circle graph(chart)圆形图circular圆形的，环形的circular cylinder圆柱circumference圆的周长clear an equation of fractions分式方程整式化clockwise顺时针coefficient系数column列，圆柱common denominator公分母common difference等差数列的公差common divisor(factor)共因子；公约数common ratio等比数列的公比common multiple公倍数complement余角complem

9、entary angle余角complete circle全圆complete quadratic (equation)全二次方程complex fraction繁分数composite number和数，指大于一而不是质数的整数compound混合物；复利compound interest复利compound annual interest年复利concentration浓度concentric circle同心圆congruent（多边形）全等的consecutive连续的consecutive integer连续整数consecutive even(odd) integer连续偶（奇）数

10、consist of由构成constant不变的，永恒的；常数constitute构成，组成coordinate坐标coordinate axis system坐标系coordinate geometry解析几何coordinate plane坐标平面corresponding angles同位角，对应角corresponding side对应边counterclockwise逆时针cross multiplication交叉相乘cube立方体，立方；三次幂cubic立方体的，立方的cubic block立方体cubic denominations立方单位cubic solid立方体cubic

11、 units立方单位cumulative graph(chart)累积图curve曲线curved line曲线cylinder圆柱体ddecagon十角形，十边形decimal小数；小数的decimal fraction纯小数decimal place小数位decimal point小数点decrease减少，减少量deduct扣除，减去degree度；度数（温度和角度）denominator分母denote表示，意味着depth深度diagonal对角线；对角线的diameter直径differ不同，相异difference差，差额digit数字，位（数）dimension尺寸，尺度；维（

12、数），度(数)，元(be) direct(inverse) proportional to成正（反）比discount rate折扣率distance距离distinct与其它不同的，独特的divide除dividend被除数divisor除数，约数divisible可整除的division除法done(drawn) to scale按比例绘制eeccentric偏心圆，；不同圆心的edge立体的变或棱endpoint端点equality相等，等式equation等式，方程equiangular等角的equidistance等距离的equilateral等边形；等边的equivalent等面积

13、的，等体积的；等价的，相等的，等量的equivalent fraction等值分数，如1/2和2/4even integer偶数evenly even integer能再平分的偶数（能背4整除）evenly spaced等间隔的exponent指数expression表达式exterior angle外角fface立体的面factor因子；将分解因子factorable可进行因式分解的factorial阶乘；因子的，阶乘的figure图形fold对折formula公式，配方fraction分数from subtract从减去ggaingeometric mean几何平均数geometric p

14、rogression几何级数，等比级数geometry几何学graph图表；用图表来表示greatest common divisor最大公约数grid格栅gross总的，毛的hhalfway半途的halve把平分为二；将减半height高heptagon七边形hexagon六边形horizontally水平地hundreds百位hundredth第一百个；百分之一hypotenuse（直角三角形）斜边iidentical相等的；恒等的improper fraction假分数included angle(side)夹角（边）indefinitely无限定地independent无关地，独立地i

15、ndependent variables 自变量inequality不等式；不相等in excess of超过infinite decimal无穷小数，同non-terminating decimalinfinite sequence无穷数列inscribed angle圆周角，同弧所对圆心角central angle的尺寸是圆周角的二倍inside dimension内部尺寸installment分期付款中每一期所付的款项integer整数integer part代分数的整数部分，代分数的分数部分是fractional partintercept截距；截取eg intercepted arc

16、 截弧interest利息interior angle内角in terms of用来表示intersect直线相交，point of inetrsection交点interval间隔，区间in turn依次，轮流invert a fraction求一个分数的倒数irrational number无理数jjoint接合，接合处lleast(lowest) common multiple最小公倍数leg梯形的两条不平性的边；直角三角形的直角边length长度lengthwise(lengthways)纵长的like(similar) terms同类项line直线，线段line segment/ha

17、lf line半直线，射线line graph线型图literal coefficient字母系数mmathematical operation数学运算mean平均数mean proportional比例中项median中数；中线midpoint中点midway中途million106minor arc ab劣弧abminuend被减数minus减mixed decimal混合小数，如3.14mode众数monomial单项式multiple多倍的，多重的；倍数a multiple ofmultiplicand被乘数multiplication乘法multiplier乘数multiply乘nn

18、atural number自然数negative number负数negligible可忽略不计的n-gonn-边形nickel五分nonadjacent不相邻的nonagon九边形nonzero非零；非零的not necessarily distinct不必然不同的number数，数字number line数轴，规定了原点，正方向和单位长度的直线，数轴上的点和实数一一对应numerator分数的分子numerical coefficient数字系数oobtuse angle钝角，大于90度而小于180度的角obtuse triangle钝角三角形octagon八边形odd integer奇数

19、odds事物发生的可能性，机会of one dimension线性的on the average平均operation运算order顺序，订单ordinate纵坐标origin原点,origin of coordinates 坐标原点original equation原方程overlap部分重叠，部分搭交pparallel lines平行线parallelogram平行四边形pentagon五边形percent百分号percent of interest利率，同rate of interestpercent increase增加的百分率percent decrease减少的百分率perfect

20、 square(cube)完全平方（立方），e.g.25是5的完全平方perimeter周长perpendicular lines垂直线pictograph统计图表pie gragh(chart)圆形图，饼型图palce（位）数plane平面plus加point小数点pointer指针point of tangency切点polynomial多项式pool联营potion一部分positive正的power幂，乘方preceding在前的，先前的prime number质数，素数probability概率product（乘）积progression(series)级数，同seriesproje

21、cted被预测，被估计proportion比，比率；比例e.g. in proportion to与成比例;qquadrant象限quadratic equation二次方程quadrilateral四边形quantity数，数量quotient商rradical根号，根式；radius半径randomly随机地rate率，比率；速度，速率ratio比，比率ray射线real number实数reciprocal倒数rectangle矩形rectangular矩形的；成直角的remainder余数remote interior angles三角形一个外角对应的两个内错角repeating decimal无限循环小数revolution旋转e.g. revolutions per min每分钟转速rhombus菱形right直的root方根；方程的根round四舍五入ssatisfy使成立scale drawing按比例绘制（的图）scalene不等边三角形，不等边的secant割线section断面，一部分cross section横截面sector扇形segment弓形；部分sequence数列set集合shaded reg