sat math词汇.docx

1、sat math 词汇SAT数学资料1、有关基本运算：add，plus加subtract减difference差multiply , times乘product积divide除divisible可被整除的dividedevenly 被整除dividend被除数divisor因子，除数quotient商remainder 余数factorial 阶乘power 乘方round to 四舍五入to the nearest四舍五入2.有关集合:union并集proper subset真子集solution set 解集3.有关代数式、方程和不等式:algebraic term代数项like term

2、s , similar terms同类项numerical coefficient数字系数literal coefficient字母系数inequality不等式triangle inequality三角不等式range值域original equation原方程equivalent equation同解方程linear equation线性方程4.有关分数和小数:proper fraction真分数improper fraction假分数mixed number带分数vulgar fraction，common fraction普通分数simple fraction简分数complex fr

3、action繁分数numerator分子denominator分母(least)common denominator(最小)公分母quarter四分之一decimal fraction纯小数infinite decimal无穷小数recurring decimal循环小数tenths unit十分位5.基本数学概:arithmetic mean算术平均值weighted average加权平均值geometric mean几何平均数exponent 指数，幂base 乘幂的底数,底边cube 立方数，立方体square root 平方根cube root 立方根common logarithm

4、 常用对数digit 数字constant 常数variable 变量inverse function 反函数complementary function余函数linear一次的，线性的factorization 因式分解absolute value 绝对值， round off四舍五入6.有关数论;natural number自然数positive number正数negative number负数odd integer ,odd number奇数even integer , even number偶数integer , whole number整数positive whole number

5、正整数negative whole number负整数consecutive number连续整数real number , rational number实数,有理数irrational(number)无理数inverse倒数composite number合数prime number质数reciprocal倒数common divisor公约数multiple倍数(least)common multiple(最小)公倍数(prime)factor(质)因子common factor公因子nonnegative非负的tens十位units个位mode众数median中数common rati

6、o公比7.数列:arithmetic progression(sequence)等差数列geometric progression(sequence)等比数列8.其它:approximate近似(anti)clockwise(逆)顺时针方向cardinal基数ordinal序数distinct不同的estimation估计，近似parentheses括号proportion比例permutation排列combination组合table表格trigonometric function三角函数unit单位,位几 何 部 分1.所有的角alternate angle内错角correspondin

7、g angle同位角vertical angle对顶角central angle圆心角interior angle内角exterior angle外角supplement aryangles补角complement aryangle余角adjacent angle邻角acute angle锐角obtuse angle钝角right angle直角round angle周角straight angle平角included angle夹角2.所有的三角形equilateral triangle等边三角形scalene triangle不等边三角形isosceles triangle等腰三角形rig

8、ht triangle直角三角形oblique斜三角形inscribed triangle内接三角形3.有关收敛的平面图形，除三角形外semicircle半圆concentric circles同心圆quadrilateral四边形pentagon五边形hexagon六边形heptagon七边形octagon八边形nonagon九边形decagon十边形polygon多边形parallelogram平行四边形equilateral等边形plane平面square正方形，平方rectangle长方形regular polygon正多边形rhombus菱形trapezoid梯形4.其它平面图形ar

9、c弧line, straight line直线line segment线段parallel lines平行线segment of a circle弧形5.有关立体图形cube立方体，立方数rectangular solid长方体regular solid/regular polyhedron正多面体circular cylinder圆柱体cone圆锥sphere球体solid立体的6.有关图形上的附属物altitude高depth深度side边长circumference , perimeter周长radian弧度surface area 表面积volume体积arm直角三角形的股cros s

10、section横截面center of acircle圆心chord弦radius半径angle bisector角平分线diagonal对角线diameter直径edge棱face of a solid立体的面hypotenuse斜边included side夹边leg三角形的直角边base底边，底数opposite直角三角形中的对边midpoint中点endpoint端点vertex(复数形式vertices)顶点tangent切线的transversal截线intercept截距7.有关坐标coordinate system坐标系rectangular coordinate直角坐标系origin原点abscissa横坐标ordinate纵坐标number line数轴quadrant象限slope斜率complex plane复平面8.其它plane geometry平面几何trigonometry三角学bisect平分circumscribe外切inscribe内切intersect相交perpendicular垂直pythagorean theorem勾股定理congruent全等的multilateral多边的