SAT数学词汇手册.docx

数部分1.基础1add，plus加2subtract减3difference差4multiplytimes乘5product积6divide除7divisible可被整除的8dividedevenly被整除9dividend被除数divisor因子，除数10quotient商11remainder余数12factorial阶乘13power乘方14radicalsign,rootsign根号15roundto四舍五入16tothenearest四舍五入2.集合1union并集2propersubset真子集3solutionset解集3.代数式、方程和不等式1algebraicterm代数项2liketerms,similarterms同类项3numericalcoefficient数字系数4literalcoefficient字母系数5inequality不等式triangleinequality三角不等式6range值域7originalequation原方程8equivalentequation同解方程等价方程9linearequation线性方程(e.g.5x+6=22)4.有关分数和小数1properfraction真分数2improperfraction假分数3mixednumber带分数4vulgarfraction，commonfraction普通分数5simplefraction简分数6complexfraction繁分数7numerator分子denominator分母8(least)commondenominator(最小)公分母9quarter四分之一10decimalfraction纯小数11infinitedecimal无穷小数12recurringdecimal循环小数13tenthsunit十分位5.基本数学概念1arithmeticmean算术平均值2weightedaverage加权平均值3geometricmean几何平均数4exponent指数，幂5base乘幂的底数,底边6cube立方数，立方体7squareroot平方根8cuberoot立方根9commonlogarithm常用对数digit数字10constant常数11variable变量12inversefunction反函数13complementaryfunction余函数14linear一次的，线性的15factorization因式分解16absolutevalue绝对值，e.g.｜-32｜=3217roundoff四舍五入6.有关数论1naturalnumber自然数2positivenumber正数3negativenumber负数4oddinteger奇整数,oddnumber奇数5eveninteger,evennumber偶数6integer,wholenumber整数7positivewholenumber正整数8negativewholenumber负整数9consecutivenumber连续整数10realnumber,rationalnumber实数,有理数11irrational(number)无理数12inverse倒数13compositenumber合数e.g.4,6,8,9,10,12,14,15……reciprocal倒数14commondivisor公约数15multiple倍数16(least)commonmultiple(最小)公倍数17(prime)factor(质)因子18commonfactor公因子19primenumber质数e.g.2,3,5,7,11,13,15……20ordinaryscale,decimalscale十进制21nonnegative非负的22tens十位23units个位24mode众数25median中数26commonratio公比7.数列1arithmeticprogression(sequence)等差数列
geometricprogression(sequence)等比数列8.其它1approximate近似2(anti)clockwise(逆)顺时针方向3cardinal基数4ordinal序数5directproportion正比6distinct不同的7estimation估计，近似parentheses括号8proportion比例9permutation排列10combination组合11table表格12trigonometricfunction三角函数13unit单位,位几何部分1.所有的角1alternateangle内错角2correspondingangle同位角3verticalangle对顶角4cent