plus sign / addition sign +
3 + 5 = 8
three plus five equals eight
five added to three makes eight
three added to five makes eight
if you add five to three you get eight
minus sign / subtraction sign -
8 - 5 = 3
eight minus five equals three
five subtracted from eight equals three
if you subtract five from eight you get three
if you take five from eight you get three
times sign / multiplication sign ×
5 x 6 = 30
five times six equals thirty
five multiplied by six equals thirty
five sixes are thirty
if you multiply 5 by 6 you get thirty
Multiplication gives us a product. In 5 x 6 = 30, the product is thirty.
division sign ÷ OR /
15 ÷ 3 = 5
15 / 3 = 5
fifteen divided by three equals five
five goes into fifteen three times
if you divide fifteen by three you get five
if you divide three into fifteen you get five
Division gives us a quotient. In 15 ÷ 3 = 5, the quotient is five.
equals sign =
3 + 4 = 7
three plus four equals seven
Note that we usually say equals NOT equal.
不等于≠
NOT equal to
x ≠ z
x is not equal to z
约等于 ≈
Almost-equals sign
小于 <
less than
3 < 4
three is less than four
大于 >
greater than
4 > 3
four is greater than three
大于等于 ≥
greater than or equal to
x ≥ z
x is greater than or equal to z
小于等于≤
less than or equal to
z ≤ x
z is less than or equal to x
分数 ¾
fraction
½
a half OR one half
¼
a quarter OR one quarter
¾
three quarters
⅓
a third OR one third
⅔
two thirds
⅕
a fifth OR one fifth
⅗
three fifths
⅛
an eighth OR one eighth
⅝
five eighths
1½
one and a half
5¾
five and three quarters
小数点 .
decimal separator | point
1.23
one point twenty three
千位分隔符 ,
thousands separator
在英语中，千位分隔符将整数从右边分成三个一组。
In English, the thousands separator separates whole numbers into groups of three from the right.
10,987,654,321
百分比 %
percent sign
40%
forty percent
平方根 √
square root
√16 = 4
the square root of sixteen equals four
the square root of sixteen is four
