小学数学类英语单词汇总(走美、希望杯必备)

小学数学类英语单词汇总（走美、希望杯必备）数学mathematics,maths(BrE),math(AmE)公理axiom定理theorem计算calculation运算operation证明prove假设hypothesis,hypotheses(pl.)命题proposition算术arithmetic加plus(prep.),add(v.),addition(n.)被加数summand加数addend和sum减minus(prep.),subtract(v.),subtraction(n.)被减数minuend减数subtrahend差remainder乘times(prep.),multiply(v.),multiplication(n.)被乘数multiplicand,faciend乘数multiplicator积product除dividedby(prep.),divide(v.),division(n.)被除数dividend除数divisor商quotient等于equals,isequalto,isequivalentto大于isgreaterthan小于islesserthan大于等于isequalorgreaterthan小于等于isequalorlesserthan运算符operator平均数mean算术平均数arithmaticmean倒数（reciprocal）x的倒数为1/x有理数rationalnumber数字digit数number自然数naturalnumber整数integer小数decimal小数点decimalpoint分数fraction分子numerator分母denominator比ratio正positive负negative零null,zero,nought,nil十进制decimalsystem二进制binarysystem十六进制hexadecimalsystem进位carry截尾truncation四舍五入round下舍入rounddown上舍入roundup有效数字significantdigit无效数字insignificantdigit代数algebra公式formula,formulae(pl.)系数coefficient未知数unknown,x-factor,y-factor,z-factor等式，方程式equation一次方程simpleequation二次方程quadraticequation三次方程cubicequation四次方程quarticequation不等式inequation阶乘factorial指数，幂exponent乘方power二次方，平方square三次方，立方cube四次方thepoweroffour,thefourthpowern次方thepowerofn,thenthpower（方程的）解solution几何geometry点point线line面plane体solid线段segment射线radial平行parallel相交intersect角angle角度degree弧度radian锐角acuteangle直角rightangle钝角obtuseangle平角straightangle周角perigon底base边side高height三角形triangle锐角三角形acutetriangle直角三角形righttriangle直角边leg斜边hypotenuse勾股定理Pythagoreantheorem钝角三角形obtusetriangle不等边三角形scalenetriangle等腰三角形isoscelestriangle等边三角形equilateraltriangle四边形quadrilateral平行四边形parallelogram矩形rectangle长length宽width周长perimeter面积area集合aggregate元素element数列，级数series圆circle圆心centre(BrE),center(AmE)半径radius直径diameter圆周率pi弧arc半圆semicircle扇形sector环ring椭圆ellipse圆周circumference轨迹locus,loca(pl.)平行六面体parallelepiped立方体cube七面体heptahedron八面体octahedron九面体enneahedron十面体decahedron十一面体hendecahedron十二面体dodecahedron二十面体icosahedron多面体polyhedron旋转rotation轴axis球sphere半球hemisphere底面undersurface表面积surfacearea体积volume空间space四面体tetrahedron五面体pentahedron六面体hexahedron菱形rhomb,rhombus,rhombi(pl.),diamond正方形square梯形trapezoid直角梯形righttrapezoid等腰梯形isoscelestrapezoid五边形pentagon六边形hexagon七边形heptagon八边形octagon九边形enneagon十边形decagon十一边形hendecagon十二边形dodecagon多边形polygon正多边形equilateralpolygon平均数average比例propotion百分比percent百分点percentage百分位数percentile排列permutation组合combination图表graph条形统计图bargraph柱形统计图histogram折线统计图brokenlinegraph曲线统计图curvediagram扇形统计图piediagramacuteangle锐角adjacentangle邻角addition加algebra代数altitude高anglebisector角平分线arc弧area面积arithmeticmean算术平均值（总和除以总数）arithmeticprogression等差数列（等差级数）arm直角三角形的股at总计（乘法）average平均值base底becontainedin位于...上bisect平分center圆心chord弦circle圆形circumference圆周长clockwise顺时针方向combination组合commondivisor公约数，公因子commonfactor公因子compositenumber合数（可被除1及本身以外其它的数整除）concentriccircle同心圆cone圆锥（体积＝1/3*pi*r*r*h）congruent全等的consecutiveinteger连续的整数cost成本counterclockwise逆时针方向cube1.立方数2.立方体（体积＝a*a*a表面积＝6*a*a）cylinder圆柱体decagon十边形decimal小数decimalpoint小数点decreased减少decreaseto减少到decreaseby减少了degree角度define1.定义2.化简denominator分母denote代表，表示depreciation折旧distance距离distinct不同的dividend1.被除数2.红利dividedevenly被除数divisible可整除的division1.除2.部分divisor除数downpayment预付款，定金equation方程equilateraltriangle等边三角形evennumber偶数expression表达face（立体图形的）某一面factor因子fraction1.分数2.比例geometricmean几何平均值（N个数的乘积再开N次方）geometricprogression等比数列（等比级数）haveleft剩余height高hexagon六边形hypotenuse斜边improperfraction假分数increase增加increaseby增加了increaseto增加到intercept截距integer整数interestrate利率intermsof...用...表达interiorangle内角intersect相交isoscelestriangle等腰三角形leastcommonmultiple最小公倍数leastpossiblevalue最小可能的值leg直角三角形的股length长listprice标价margin利润markup涨价markdown降价maximum最大值medianofatriangle三角形的中线midpoint中点minimum最小值minus减multiplication乘法multiple倍数multiply乘naturalnumber自然数nonzero非零numberlines数线numerator分子obtuseangle钝角octagon八边形oddnumber奇数overlap重叠parallellines平行线parallelogram平行四边形pentagon五边形percapita每人perimeter周长permutation排列perpendicularlines垂直线plane平面plus加polygon多边形positivenumber正数power次方（2的5次方＝thefifthpowerof2）primefactor质因子primenumber质数product乘积profit利润properfraction真分数proportion比例purchasingprice买价quadrilateral四边形quotient商ratio比例radius半径（复数为radii）radian弧度realnumber实数reciprocal倒数rectangle长方形rectangularprism长方体reduced减少regularpolygon正多边形remainder余数retailvalue零售价rhombus菱形rightangle直角righttriangle直角三角形round四舍五入saleprice卖价segment线段set集合sequence数列scalenetriangle不等边三角形side边长slope斜率solution（方程的）解speed速度sphere球体（表面积＝4*pi*r*r,体积＝4/3*pi*r*r*r）square1.平方数，平方2.正方形straightangle平角subtract减subtraction减法sum和surfacearea表面积tangent相切tenths'digit十分位tenth十分位tie并列，打平times倍total1.总数（用于加法中，相当于＋）2.总计（用于减法中，相当于－）tothenearest最接近的trapezoid梯形triangle三角形twodigits2位units'digit个位veiocity速度vertexangle顶角verticalangle对顶角volume体积wholenumber整数width宽3-digitnumber三位数