小学数学术语

小学数学术语Terms：
加法addition 减法subtraction 乘法multiplication 除法division
加add, plus 减minus, subtract 乘times, multiply 除divided by
加数addend 和sum
被减数minuend 减数subtractend 差difference
被乘数multiplicand 乘数multiplier 因数factor 积product
被除数dividend 除数divisor 商quotient
大于greater than 小于less than 等于equal
最小值minimum 最大值maximum
一位数1-digit number 两位数2-digit number
小数decimal 小数点decimal point 循环小数recurring decimal
整数whole number 自然数nature number 分数fraction
质数prime number 合数composite number
条形统计图bar graph 线形统计图straight line graph
最小公倍数the Lowest Common 最大公约数the Highest Common
平均数average 近似值approximation 估算estimation
混合运算Mixed Operation 等式equation 百分比percentage
结合律the Associative Property of
分配律the Distributive Property of …
交换律the Reflexive Property of…
mathematics 数学theorem 定理calculation 计算
operation 运算arithmetic 算术,四则运算
2 plus 1 equals
3 二加一等于三
4 minus 2 equals 2 四减二等于二
4 multiplied by 5, 4 times
5 四乘以五
nought point four 零点四ratio 比proportion 比例
numerator 分子common denominator 公分母
unknown 未知数equation 等式,方程式
(Shapes形状)
直线line 正方形square 半径radius 长方体cuboid 长方形rectangle 平行四边形parallelogram 梯形trapezium 五边形pentagon 六边形hexagon 八边形octagon
星形star 扇形sector
菱形rhombus 圆形circle 直径diameter 三角形triangle 圆周circumference 直角三角形Right-angled triangle
锐角三角形acute triangle 钝角三角形obtuse triangle
等腰三角形isosceles triangle 顶点point 等边三角形equilateral triangle
底角base angle 线段line segment 周长perimeter 长length 宽width
高height 直角right angle 锐角acute angle
钝角obtuse angle 边(腰) side 底base 正方体cube 圆柱体cylinder
棱柱prism 圆锥体circular cone 锥体pyramid 球体ball 顶角vertex
圆心the center of the circle
Sign 符号
．period 句号，comma 逗号
：colon 冒号；semicolon 分号
！exclamation 惊叹号？question mark 问号
￣hyphen 连字符'apostrophe 省略号；所有格符号—dash 破折号‘’single quotation marks 单引号“”double quotation marks 双引号...ellipsis 省略号
( )parentheses 圆括号[ ]square brackets 方括号
《》French quotes 法文引号；书名号¨tandem colon 双点号"ditto 同上‖parallel 双线号
／virgule 斜线号＆ampersand
= and ～swung dash 代字号
§section; division 分节号→arrow 箭号；参见号
plus sign 加号minus sign 减号
＋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 equivalent to 全等于号
≌is equal to or approximately equal to 等于或约等于号
≈is approximately equal to 约等于号
＜is less than 小于号＞is more than 大于号
≮is not less than 不小于号≯is not more than 不大于号
≤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…
∞infinity 无限大号∝varies as 与…成比例
√(square) root 平方根∷equals, as (proportion) 等于，成比例
∵since; because 因为∴hence 所以
∠angle 角⌒semicircle 半圆
⊙circle 圆○circumference 圆周
πpi 圆周率△triangle 三角形
⊥perpendicular to 垂直于∪union of 并，合集
∩intersection of 交，通集∫the integral of …的积分
∑(sigma) summation of 总和°degree 度
′minute 分″second 秒
＃number …号℃Celsius system 摄氏度
＠at 单价
Numbers 数
个位unit(ones) place 十位tens place 百位hundreds place
千位thousands place 万位ten thousands place
十万位one hundred thousands place 百万位millions place
千万位ten millions place 亿hundred millions 十亿位billions
十分位tenths place 百分位hundredths place
千分位thousandths place 万分位ten thousandths place
2.05 : two point nought five; two point O five
6.003 : six point nought nought three; six point O O three
78.12 : seventy-eight point one two
1.5 one point five
2.73 two point seven three
1/3 one third 2/5 two fifths 1/10 one tenth 20% twenty percent 75% seventy-five percent 100% : one hundred per cent
0.5% : point five per cent
0. 46% : point four six per cent
1/2 : one-half; a half
1/3 : one-third
3/4 : three-fourths
1/5 : one-fifth
2/5 : two-fifths
7/8 : seven-eighths
1/10 : one-tenth; a tenth
1/100 : one-hundredth; one per cent
1/1000 : one-thousandth
1/10000 : one ten-thousandth
21/2:two and one half; two and a half
42/3:four and two-thirds。