一、加减乘除: + - × ÷

　　加+：plus

　　减-：minus

　　乘×：times

　　除÷：divided

　　二、不等号和等号：> ≥ < ≤ ≠ =

　　大于>：is greater than

　　大于等于(不小于)≥：is more than or equal to / is no less than

　　小于<：is less than

　　小于等于(不大于)≤：is less than or equal to / is no more than

　　不等于≠：is not equal to

　　等于=：equals

　　例句：

　　1、12+36=48：Twelve plus thirty-six is forty-eight.

　　2、10-4=6: Ten minus four is six. / Ten minus four equals four.

　　3、5×5=25：Five times five is twenty-five.

　　4、20÷4=5：Twenty divided by four is five.

　　5、5>1：Five is greater than one.

　　6、7+4≥10: Seven plus four is equal to or greater than ten.

　　7、99<100：Ninety-nine is less than one hundred.

　　8、1≤8：One is less than or equal to eight. / One is no more than eight.

　　9、1≠0：One is not equal to zero.

　　三、分数、小数和百分数英文表达

　　1、基数词-序数词 表达分数：

　　1/2：one half, one second

　　1/12: one twelfth

　　3/8: three eighths

　　9/10: nine tenths

　　2、基数词-基数词 表达分数：

　　1/3: one over three

　　3/8: three over eight

　　3、小数英文表达：

　　1.5: one point five

　　0.2: zero point two or point two

　　6.03 six point o three

　　4、百分数英文表达：

　　33%: thirty-three percent

　　0.72% zero point seven two percent