常用数学术语的英语表达：
1立方 one cubic 几何 geometry 线 line
直线 a straight 垂直线 a vertical
1平方米 one square metre 点 point 面 plane 曲线 curved line 水平线 a horizontal line
近似值 an approximate value 三角形的底 the base of a triangle
三角形的两个腰 the two sides of a triangle 直角 a rigt angle 正方形 a square
锐角 an acute angl 长方形 a rectangle 多边形 a polygon 半圆 a semicircle 圆柱体 a cylinder
钝角 an obtuse angle 圆心 the centre of a circle 弧 an arc
圆的直径 the diameter of a circle
圆的半径 the radius of a circle 球体 a spheroid
常用加减乘除的英语表达：
四加五等于九
If you add 4 to 5, you get 9. 或：If you add 4 and 5, you get 9. 或：The sum of 5 and 4 is 9. 或：Four plus five equals nine. If you take 2 from 5, you get 3. 或：5 minus 2 equals 3. 2 times 3 is / equals 6. 或：3 multiplied by 2 equals 6.
五与四的和是九 4 and 5 are / make 9.
五减二等于三
五与二之差为三 The difference between 5 and 2 is 3. 二乘三等于六
二与三的积为六 The proudct of 2 and 3 is 6. 六除以二等于三 If you divide 6 by 2, the answer is 3.
或：If you divide 2 into 6, the answer is 3.
或：6 divided by 2 equals 3.
比较两个数字大小的英语表达：
6大于5 6 is greater than 5.
或：6 is more than 5.
6小于7 6 is less than 7.
平方、立方及四次方的英语表达：
3的平方等于9 The square of 3 is 9. 3的立方等于27 The cube of 3 is 27.
3的四次方等于81 The fourth power of 3 is / equals 81.
平方根立方根的英语表达：
9的平方根为3 The square root of 9 is 3. 27的立方根为3 The cube root of 27 is 3.
正比反比的英语表达：
A与B成正比 A is in direct proportion to B. A与B成反比 A is in inverse proportion to B.
两直线平行或垂直的英语表达：
直线AB平行于直线CD Line AB is parallel to Line CD 直线AB垂直于直线CD Line AB is perpendicular to Line CD
加 plus 减 minus 乘multiply 除divide 分母denominator 分子numerator 平方square 平方根 square root
二分之一 one half 二分之三 two thirds 三分之四 three fourth 内角interior angle 锐角 acute angle 钝角 obtuse angle 周角a complete revolution 直角 right angle
圆周circumference 圆心center 半径 radius 直径 diameter 弧arc 弧度degree of an arc 比ratio
三点一 three point one
面积area 体积volume 长度length 分数fraction 小数 decimals 表格 table 图表 graph
素数 prime number 负数 negative 自然数 natural number 代数 algebra 方程/等式 equation
等腰三角形 isosceles triangle 等边三角形 equilateral triangle
1、In 2004, 16 June falls on a Wednesday. On what day of the week will 16 June fall in 2010?
2、 In a magic square the sum of the numbers in each row, in each diagonal and in each column are equal. In this magic square the value of x is: 3、If half of a number is 30, then three-quarters of that number is____. 4、The sum of the digits of the following product 999×555
5、Three positive integers have a sum of 28. The greatest possible product that these integers can have is_____.
6、Jack was trying to tessellate regular pentagons. He managed the following figure. The size of angle .a. is______.
7、If the area of the shaded region of the regular hexagon in the diagram below is 36 cm2, the area of the whole hexagon in cm2 is_____. 8、In what follows, □ and Δ are different numbers. When 503 is divided by □ the remainder is 20. When 503 is divided by Δ the remainder is 20. When 493 is divided by □ x Δ the remainder is_____.
9、A lady, her brother, her son and her daughter (all related by birth) played volleyball. The worst player's twin (who is one of the four players) and the best player are of opposite ***.
The worst player and the best player are of the same age. Who cannot be the worst player(s)? A) brother only B) daughter only C) son and daughter only D) lady and daughter only E) lady only
10、If you continue the given number pattern, in what row and in what position in that row will the number 320 be? 1 -------------- row 1 2 3 -------------- row 2 4 5 6 -------------- row 3 7 8 9 10 -------------- row 4