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南外小升初入学考试数学词汇一览表

quotient 2 plus 1 equals 3 4 minus 2 equals 2 4 multiplied by 5, 4 times 5 20 divided by 5, equals, is equal to, is equivalent to is greater than is lesser than is equal or greater than is equal or lesser than digit natural number whole number positive whole number consecutive number odd number number

(质)因子 (prime) factor 公因子

common factor ratio positive positive number negative null, zero, zero point four decimal system tens units binary system carry round round down round up significant digit insignificant digit

＋plus 加号；正号

－minus 减号；负号

±plus or minus 正负号

×is multiplied by 乘号

÷is divided by 除号

＝is equal to 等于号

≠is not equal to 不等于号

≈is approximately equal to 约等于号 ＜is less than 小于号

＞is more than 大于

≤is less than or equal to 小于或等于号 ≥is more than or equal to 大于或等于号 ％per cent 百分之…

‰per mill 千分之…

∝ varies as 与…成比例

∷equals, as (proportion) 等于，成比例 ∠angle 角

⌒semicircle 半圆

⊙circle 圆

○circumference 圆周

π pi 圆周率

△triangle 三角形

⊥perpendicular to 垂直于

°degree 度 ′minute 分 ″second 秒 ＃number … 号 ℃ Celsius system 摄氏度 ＠ at 二、几何部分英语术语 all

the

angles

isosceles triangle 等腰三角形 right triangle 直角三角形 oblique triangle 斜三角形 

semicircle

concentric circles

pentagon

hexagon

heptagon

octagon

nonagon

decagon

polygon

parallelogram

equilateral

plane

square

rectangle

regular polygon

rhombus

trapezoid 梯形

arc 弧

line, straight line 直线

line segment 线段

parallel lines 平行线

segment of a circle 弧形

cube 立方体，立方数 rectangular solid 长方体  circular cylinder 圆柱体

cone 圆锥 

solid 立体的

altitude 高

depth 深度 

width 宽

side 边长

circumference, perimeter 周长 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

angle bisector 角平分线

diagonal 对角线

diameter 直径 

edge 棱

face of a solid 立体的面

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 顶点 

tangent 切线的

transversal 截线

intercept 截距

coordinate system 坐标系

rectangular coordinate 直角坐标系 origin 原点

abscissa

ordinate

number line

plane geometry

trigonometry

bisect

intersect

perpendicular

multilateral

1、单位类

cent

dollar

pound

penny

nickel

dime 一角硬币 

dozen 打（12个）

score 廿(20个)

Fahrenheit 华氏

yard 码

meter 米

micron 微米

inch 英寸 

foot 英尺

minute 分(角度的度量单位，60分=1度) square measure 平方单位制

cubic meter 立方米

ratio retail price numbers / statistics rise / increase / jump/ go up go down/ drop / go up and down / fluctuate