小学数学英语单词汇总(带音标-分类)

小学数学类英语单词汇总基本：数学mathematics[mæθ(ə)'mætɪks],maths(BrE),math(AmE)加plus[plʌs](prep.),add[æd](v.),addition[ə'dɪʃ(ə)n](n.)被加数summand['sʌmænd]加数addend['ædend]和sum[sʌm]减minus['maɪnəs](prep.),subtract[səb'trækt](v.),subtraction[səb'trækʃn](n.)被减数minuend['mɪnjʊend]减数subtrahend['sʌbtrə,hend]差remainder[rɪ'meɪndə]乘times[taɪmz](prep.),multiply['mʌltɪplaɪ](v.),multiplication[,mʌltɪplɪ'keɪʃ(ə)n](n.)被乘数multiplicand[,mʌltɪplɪ'kænd;'mʌltɪplɪ,kænd],faciend['feiʃiend]乘数multiplicator['mʌltiplikeitə]积product['prɒdʌkt]除divided[dɪ'vaɪdɪd],by[baɪ](prep.),divide[dɪ'vaɪd](v.),division[dɪ'vɪʒ(ə)n](n.)被除数dividend['dɪvɪdend]除数divisor[dɪ'vaɪzə]商quotient['kwəʊʃ(ə)nt]等于equals['i:kwəlz],isequalto,isequivalentto大于isgreater['ɡreitə]than小于islesser['lesə]than大于等于isequalorgreaterthan小于等于isequalorlesserthan平均数mean[miːn]倒数（reciprocal[rɪ'sɪprək(ə)l]）x的倒数为1/x有理数rational['ræʃ(ə)n(ə)l]number数字digit['dɪdʒɪt]数number自然数natural['nætʃ(ə)r(ə)l]number整数integer['ɪntɪdʒə]小数decimal['desɪm(ə)l]小数点decimalpoint分数fraction['frækʃ(ə)n]分子numerator['njuːməreɪtə]分母denominator[dɪ'nɒmɪneɪtə]比ratio['reɪʃɪəʊ]正positive['pɒzɪtɪv]负negative['negətɪv]零null[nʌl],zero['zɪərəʊ],nought[nɔːt],nil[nɪl]进位carry['kærɪ]四舍五入round[raʊnd]下舍入round[raʊnd]down上舍入round[raʊnd]up代数algebra['ældʒɪbrə]公式formula['fɔːmjʊlə],formulae['fɔːmjʊliː](pl.)系数coefficient[,kəʊɪ'fɪʃ(ə)nt]偶数evennumber奇数odd[ɒd]number方程：未知数unknown[ʌn'nəʊn],x-factor,y-factor,z-factor等式，方程式equation[ɪ'kweɪʒ(ə)n]一次方程simple['sɪmp(ə)l]equation[ɪ'kweɪʒ(ə)n]二次方程quadratic[kwɒ'drætɪk]equation[ɪ'kweɪʒ(ə)n]三次方程cubic['kjuːbɪk]equation[ɪ'kweɪʒ(ə)n]四次方程quartic['kwɔːtɪk]equation[ɪ'kweɪʒ(ə)n]不等式inequation[,ini'kweiʒən,-ʃən]阶乘factorial[fæk'tɔːrɪəl]指数，幂exponent[ɪk'spəʊnənt;ek-]乘方power['paʊə]二次方，平方square[skweə]三次方，立方cube[kjuːb]四次方thepoweroffour,thefourthpowern次方thepowerofn,thenthpower（方程的）解solution[sə'luːʃ(ə)n]几何：基本：几何geometry[dʒɪ'ɒmɪtrɪ]点point[dʒɪ'ɒmɪtrɪ]线line[laɪn]面plane[pleɪn]体solid['sɒlɪd]线段segment['segm(ə)nt]射线radial['reɪdɪəl]平行parallel['pærəlel]相交intersect[ɪntə'sekt]底base[beɪs]边side[saɪd]长length[leŋθ]宽width[wɪtθ;wɪdθ]高height[haɪt]高altitude['æltɪtjuːd]周长perimeter[pə'rɪmɪtə]面积area['eərɪə]表面积surface['sɜːfɪs]area体积volume['vɒljuːm]底面undersurface['ʌndəsɜːfɪs]角：角angle['æŋg(ə)l]角度degree[dɪ'griː]弧度radian['reɪdɪən]锐角acute[ə'kjuːt]angle['æŋg(ə)l]直角right[raɪt]angle['æŋg(ə)l]钝角obtuse[əb'tjuːs]angle['æŋg(ə)l]平角straight[streɪt]angle['æŋg(ə)l]邻角adjacent[ə'dʒeɪs(ə)nt]angle周角perigon['periɡən]三角形triangle['traɪæŋg(ə)l]锐角三角形acute[ə'kjuːt]triangle['traɪæŋg(ə)l]直角三角形right[raɪt]triangle['traɪæŋg(ə)l]直角边leg[leg]斜边hypotenuse[haɪ'pɒtənjuːz;-s]勾股定理Pythagorean[pai'θægəriən]theorem['θɪərəm]钝角三角形obtuse[əb'tjuːs]triangle['traɪæŋg(ə)l]不等边三角形scalene['skeɪliːn]triangle['traɪæŋg(ə)l]等腰三角形isosceles[aɪ'sɒsɪliːz]triangle['traɪæŋg(ə)l]等边三角形equilateral[,iːkwɪ'læt(ə)r(ə)l]triangle['traɪæŋg(ə)l]直角三角形的股leg[leg]形：四边形quadrilateral[,kwɒdrɪ'læt(ə)r(ə)l]平行四边形parallelogram[,pærə'leləgræm]矩形rectangle['rektæŋg(ə)l]菱形rhomb[rɒm(b)],rhombus['rɒmbəs],rhombi(pl.),diamond正方形square[skweə]梯形trapezoid['træpɪzɒɪd;trə'piːzɒɪd]直角梯形righttrapezoid['træpɪzɒɪd;trə'piːzɒɪd]等腰梯形isoscelestrapezoid['træpɪzɒɪd;trə'piːzɒɪd]五边形pentagon['pentəɡ(ə)n]六边形hexagon['heksəg(ə)n]七边形heptagon['heptəg(ə)n]八边形octagon['ɒktəg(ə)n]九边形enneagon['eniəɡɔn]十边形decagon['dekəg(ə)n]十一边形hendecagon[hen'dekəg(ə)n]十二边形dodecagon[dəʊ'dekəg(ə)n]多边形polygon['pɒlɪg(ə)n]正多边形equilateral[,iːkwɪ'læt(ə)r(ə)l;,ekwɪ-]polygon['pɒlɪg(ə)n]圆：圆circle['sɜːk(ə)l]圆心centre['sentə](BrE),center(AmE)半径radius['reɪdɪəs]直径diameter[daɪ'æmɪtə]圆周率pi弧arc[ɑːk]半圆semicircle['semɪsɜːkl]扇形sector['sektə]圆心center环ring[rɪŋ]椭圆ellipse[ɪ'lɪps]圆周circumference[sə'kʌmf(ə)r(ə)ns]轨迹locus['ləʊkəs],loca['ləukə](pl.)圆周长circumference[sə'kʌmf(ə)r(ə)ns]顺时针方向clockwise['klɒkwaɪz]逆时针方向counterclockwise[kaʊntə'klɒkwaɪz]旋转rotation[rə(ʊ)'teɪʃ(ə)n]轴axis['æksɪs]球sphere[sfɪə]半球hemisphere['hemɪsfɪə]同心圆concentric[kən'sentrɪk]circle圆锥（体积＝1/3*pi*r*r*h）cone圆柱体cylinder['sɪlɪndə]体：平行六面体parallelepiped[,pærəlelə'paɪped;,pærəle'lepɪped]立方体cube四面体tetrahedron[,tetrə'hiːdrən;-'hed-]五面体pentahedron[,pentə'hiːdr(ə)n;-'hed-]六面体hexahedron[,heksə'hiːdrən;-'hed-]七面体heptahedron[,heksə'hiːdrən;-'hed-]八面体octahedron[ɒktə'hiːdrən;-'hed-]九面体enneahedron[,eniə'hi:drən]十面体decahedron[,dekə'hiːdr(ə)n;-'hed-]十一面体hendecahedron[,hendekə'hedrən]十二面体dodecahedron[,dəʊdekə'hiːdr(ə)n;-'hed-]二十面体icosahedron[,aɪkɒsə'hiːdrən;-'hed-]多面体polyhedron[,pɒlɪ'hiːdrən;-'hed-]统计图：空间space[speɪs]平均数average['æv(ə)rɪdʒ]比例propotion[prəˈpɔrʃn]百分比percent[pə'sent]百分点percentage[pə'sentɪdʒ]百分位数percentile[pə'sentaɪl]排列permutation[pɜːmjʊ'teɪʃ(ə)n]组合combination[kɒmbɪ'neɪʃ(ə)n]图表graph[grɑːf;græf]其他：代数algebra['ældʒɪbrə]角平分线anglebisector[baɪ'sektə]算术平均值（总和除以总数）arithmetic[ə'rɪθmətɪk]mean等差数列（等差级数）arithmetic[ə'rɪθmətɪk]progression[prə'greʃ(ə)n]直角三角形的股arm总计（乘法）at平均值average['æv(ə)rɪdʒ]平分bisect[baɪ'sekt]弦chord[kɔːd]组合combination[kɒmbɪ'neɪʃ(ə)n]公约数，公因子common['kɒmən]divisor[dɪ'vaɪzə]公因子common['kɒmən]factor合数（可被除1及本身以外其它的数整除）composite['kɒmpəzɪt]number全等的congruent['kɒŋgrʊənt]连续的整数consecutive[kən'sekjʊtɪv]integer['ɪntɪdʒə]成本cost减少decreased减少到decrease[dɪ'kriːs]to减少了decrease[dɪ'kriːs]by分母d