AEAS數(shù)學(xué)高頻詞匯必備

1、.數(shù)學(xué)核心詞匯一：常見符號(hào)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： 常見幾何計(jì)算公式平面圖形的周長和面積：perimeterareatriangle三邊之和(底高)/2square邊長4邊長的平方rectangle(長+寬)2長寬parallelogram(長+寬)2底高trapezoid四邊之和(上底+下底)高/2rhombus邊長4兩條對(duì)角線之積的1/2circle2r=dr2立體圖形的表面積和體積volumesurface arear

4、ectangular prism長寬高2(長寬+長高+寬高)cube棱長的立方6棱長棱長right circular cylinderr2h2r h(側(cè))+ 2r2(底)*sphere4r3/34r2right circular coner2h/3lr/2 (l為母線)附錄：sat數(shù)學(xué)考試速查詞匯aabscissa橫坐標(biāo)absolute value絕對(duì)值account for（數(shù)量）占acute angle銳角acute triangle銳角三角形add加add toaddition加，加法adjacent相鄰adjacent angles鄰角algebra代數(shù)學(xué)algebraic expre

5、ssion代數(shù)式algebraic fraction分式algebraic term代數(shù)項(xiàng)aliquot除得盡數(shù)aliquant除不盡數(shù)alternate angles內(nèi)錯(cuò)角altitude高度amount合計(jì)angle角angle bisector角平分線apex頂，頂點(diǎn)apiece每人，每個(gè)approximately近似的，大約的approximation近似，近似值arc弧，圓周的任意一段area面積arithmetic算術(shù)arithmetic(al) average算術(shù)平均數(shù)arithmetic(al) mean算術(shù)平均數(shù)或等差中項(xiàng)arithmetic(al) progression或

6、series算術(shù)級(jí)數(shù)，等差級(jí)數(shù)assume that假定義at random隨機(jī)地at right angles with與成直角at this rate以這樣的比率，價(jià)格或速度average平均，平均數(shù)平均的axis軸bbalance余額bar graph(chart)條帶圖base堤邊，底面，冪或乘方的底數(shù)base area底面積be across from在對(duì)面be closet to最接近be composed of由構(gòu)成be equal to與相等be equivalent to anther equation與另一方程痛解be fewer than小于be greater than

7、大于be greater than or equal to不小于be inscribed in內(nèi)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二項(xiàng)式bisect把二等分block立體blot out涂掉，刪掉bound辯解，范圍；鄰接bulk大量ccalculate to three decimal places計(jì)算結(jié)果保留三位小數(shù)cancellation約掉，消掉center圓心central ang

8、le圓心角chart圖表chord弦circle圓circle graph(chart)圓形圖circular圓形的，環(huán)形的circular cylinder圓柱circumference圓的周長clear an equation of fractions分式方程整式化clockwise順時(shí)針coefficient系數(shù)column列，圓柱common denominator公分母common difference等差數(shù)列的公差common divisor(factor)共因子；公約數(shù)common ratio等比數(shù)列的公比common multiple公倍數(shù)complement余角complem

9、entary angle余角complete circle全圓complete quadratic (equation)全二次方程complex fraction繁分?jǐn)?shù)composite number和數(shù)，指大于一而不是質(zhì)數(shù)的整數(shù)compound混合物；復(fù)利compound interest復(fù)利compound annual interest年復(fù)利concentration濃度concentric circle同心圓congruent（多邊形）全等的consecutive連續(xù)的consecutive integer連續(xù)整數(shù)consecutive even(odd) integer連續(xù)偶（奇）數(shù)

10、consist of由構(gòu)成constant不變的，永恒的；常數(shù)constitute構(gòu)成，組成coordinate坐標(biāo)coordinate axis system坐標(biāo)系coordinate geometry解析幾何coordinate plane坐標(biāo)平面corresponding angles同位角，對(duì)應(yīng)角corresponding side對(duì)應(yīng)邊counterclockwise逆時(shí)針cross multiplication交叉相乘cube立方體，立方；三次冪cubic立方體的，立方的cubic block立方體cubic denominations立方單位cubic solid立方體cubic

11、 units立方單位cumulative graph(chart)累積圖curve曲線curved line曲線cylinder圓柱體ddecagon十角形，十邊形decimal小數(shù)；小數(shù)的decimal fraction純小數(shù)decimal place小數(shù)位decimal point小數(shù)點(diǎn)decrease減少，減少量deduct扣除，減去degree度；度數(shù)（溫度和角度）denominator分母denote表示，意味著depth深度diagonal對(duì)角線；對(duì)角線的diameter直徑differ不同，相異difference差，差額digit數(shù)字，位（數(shù)）dimension尺寸，尺度；維（

12、數(shù)），度(數(shù))，元(be) direct(inverse) proportional to成正（反）比discount rate折扣率distance距離distinct與其它不同的，獨(dú)特的divide除dividend被除數(shù)divisor除數(shù)，約數(shù)divisible可整除的division除法done(drawn) to scale按比例繪制eeccentric偏心圓，；不同圓心的edge立體的變或棱endpoint端點(diǎn)equality相等，等式equation等式，方程equiangular等角的equidistance等距離的equilateral等邊形；等邊的equivalent等面積

13、的，等體積的；等價(jià)的，相等的，等量的equivalent fraction等值分?jǐn)?shù)，如1/2和2/4even integer偶數(shù)evenly even integer能再平分的偶數(shù)（能背4整除）evenly spaced等間隔的exponent指數(shù)expression表達(dá)式exterior angle外角fface立體的面factor因子；將分解因子factorable可進(jìn)行因式分解的factorial階乘；因子的，階乘的figure圖形fold對(duì)折formula公式，配方fraction分?jǐn)?shù)from subtract從減去ggaingeometric mean幾何平均數(shù)geometric p

14、rogression幾何級(jí)數(shù)，等比級(jí)數(shù)geometry幾何學(xué)graph圖表；用圖表來表示greatest common divisor最大公約數(shù)grid格柵gross總的，毛的hhalfway半途的halve把平分為二；將減半height高h(yuǎn)eptagon七邊形hexagon六邊形horizontally水平地hundreds百位hundredth第一百個(gè)；百分之一hypotenuse（直角三角形）斜邊iidentical相等的；恒等的improper fraction假分?jǐn)?shù)included angle(side)夾角（邊）indefinitely無限定地independent無關(guān)地，獨(dú)立地i

15、ndependent variables 自變量inequality不等式；不相等in excess of超過infinite decimal無窮小數(shù)，同non-terminating decimalinfinite sequence無窮數(shù)列inscribed angle圓周角，同弧所對(duì)圓心角central angle的尺寸是圓周角的二倍inside dimension內(nèi)部尺寸installment分期付款中每一期所付的款項(xiàng)integer整數(shù)integer part代分?jǐn)?shù)的整數(shù)部分，代分?jǐn)?shù)的分?jǐn)?shù)部分是fractional partintercept截距；截取eg intercepted arc

16、 截弧interest利息interior angle內(nèi)角in terms of用來表示intersect直線相交，point of inetrsection交點(diǎn)interval間隔，區(qū)間in turn依次，輪流invert a fraction求一個(gè)分?jǐn)?shù)的倒數(shù)irrational number無理數(shù)jjoint接合，接合處lleast(lowest) common multiple最小公倍數(shù)leg梯形的兩條不平性的邊；直角三角形的直角邊length長度lengthwise(lengthways)縱長的like(similar) terms同類項(xiàng)line直線，線段line segment/ha

17、lf line半直線，射線line graph線型圖literal coefficient字母系數(shù)mmathematical operation數(shù)學(xué)運(yùn)算mean平均數(shù)mean proportional比例中項(xiàng)median中數(shù)；中線midpoint中點(diǎn)midway中途million106minor arc ab劣弧abminuend被減數(shù)minus減mixed decimal混合小數(shù)，如3.14mode眾數(shù)monomial單項(xiàng)式multiple多倍的，多重的；倍數(shù)a multiple ofmultiplicand被乘數(shù)multiplication乘法multiplier乘數(shù)multiply乘nn

18、atural number自然數(shù)negative number負(fù)數(shù)negligible可忽略不計(jì)的n-gonn-邊形nickel五分nonadjacent不相鄰的nonagon九邊形nonzero非零；非零的not necessarily distinct不必然不同的number數(shù)，數(shù)字number line數(shù)軸，規(guī)定了原點(diǎn)，正方向和單位長度的直線，數(shù)軸上的點(diǎn)和實(shí)數(shù)一一對(duì)應(yīng)numerator分?jǐn)?shù)的分子numerical coefficient數(shù)字系數(shù)oobtuse angle鈍角，大于90度而小于180度的角obtuse triangle鈍角三角形octagon八邊形odd integer奇數(shù)

19、odds事物發(fā)生的可能性，機(jī)會(huì)of one dimension線性的on the average平均operation運(yùn)算order順序，訂單ordinate縱坐標(biāo)origin原點(diǎn),origin of coordinates 坐標(biāo)原點(diǎn)original equation原方程overlap部分重疊，部分搭交pparallel lines平行線parallelogram平行四邊形pentagon五邊形percent百分號(hào)percent of interest利率，同rate of interestpercent increase增加的百分率percent decrease減少的百分率perfect

20、 square(cube)完全平方（立方），e.g.25是5的完全平方perimeter周長perpendicular lines垂直線pictograph統(tǒng)計(jì)圖表pie gragh(chart)圓形圖，餅型圖palce（位）數(shù)plane平面plus加point小數(shù)點(diǎn)pointer指針point of tangency切點(diǎn)polynomial多項(xiàng)式pool聯(lián)營potion一部分positive正的power冪，乘方preceding在前的，先前的prime number質(zhì)數(shù)，素?cái)?shù)probability概率product（乘）積progression(series)級(jí)數(shù)，同seriesproje

21、cted被預(yù)測，被估計(jì)proportion比，比率；比例e.g. in proportion to與成比例;qquadrant象限quadratic equation二次方程quadrilateral四邊形quantity數(shù)，數(shù)量quotient商rradical根號(hào)，根式；radius半徑randomly隨機(jī)地rate率，比率；速度，速率ratio比，比率ray射線real number實(shí)數(shù)reciprocal倒數(shù)rectangle矩形rectangular矩形的；成直角的remainder余數(shù)remote interior angles三角形一個(gè)外角對(duì)應(yīng)的兩個(gè)內(nèi)錯(cuò)角repeating decimal無限循環(huán)小數(shù)revolution旋轉(zhuǎn)e.g. revolutions per min每分鐘轉(zhuǎn)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按比例繪制（的圖）scalene不等邊三角形，不等邊的secant割線section斷面，一部分cross section橫截面sector扇形segment弓形；部分sequence數(shù)列set集合shaded reg