1、加拿大十年级数学词汇代 数 部 分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divided evenly被整除dividend被除数divisor因子,除数quotient商remainder余数factorial阶乘power乘方radical sign, root sign根号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element元素void空集subset子集i
2、ntersection交集complement补集mapping映射function函数domain定义域range值域3.有关代数式、方程和不等式algebraic term代数项like terms,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original equation原方程equivalent equation同解方程等价方程linear equation线性方程(e.g.5x +6=22)4.有关分数和小数common f
3、raction普通分数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.基本数学概念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logarithm对数digit数字c
4、onstant常数variable变量inverse function反函数linear一次的,线性的factorization因式分解absolute value绝对值,e.g.-32=32round 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正整数negative whole number负整数consecutive
5、 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e.g.4,6,8,9,10,12,14,15prime number质数e.g.2,3,5,7,11,13,15reciprocal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ordinary scale, decimal scale十进制nonnegative非负的te
6、ns十位units个位mode众数median中数common ratio公比7.数列arithmeticprogression(sequence)等差数列geometricprogression(sequence)等比数列ordinal序数direct proportion正比distinct不同的estimation估计,近似parentheses括号proportion比例permutation排列combination组合加拿大十年级数学词汇table表格trigonometric function三角函数unit单位,位9.函数constant常量variable变量monotoni
7、city单调性parity奇偶性periodicity周期性sine正弦cosine余弦tangent正切cotangent余切secant正割cosecant余割arc sine反正弦arc cosine反余弦arc tangent反正切arc cotangent反余切arc secant反正割arc cosecant反余割phase相位period周期amplitude振幅10.矩阵matrix矩阵determinant行列式其它approximate近似(anti)clockwise(逆)顺时针方向Vector向量几 何 部 分1.所有的角alternate angle内错角corres
8、ponding angle同位角vertical angle对顶角central angle圆心角interior angle内角exterior angle外角supplementary angles补角complementary angle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
9、三角形right 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arc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
10、形cube立方体,立方数rectangular solid长方体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cross section横截面center of a circle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
11、included side夹边leg三角形的直角边median of a triangle三角形的中线base底边,底数(e.g.2的5次方,2就是底数)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截距加拿大十年级数学词汇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