分数、小数、百分数、+ – × / | 玄数

2015-05-16

一、分数 Fraction

 

1

X
分子用 a(one),分母用X的序数词
1

2
a half 1

4
a quarter 1
——
100
a(one)hundredth

 


 

A

B
(A > 1)—— 分子A用基数词,分母B用序数词再 + s ,整数 and 分数
2

3
two thirds 4

5
four fifths 5 2

7
five and two sevens

二、小数 Decimal

点 —— point ,0可读 zero / nought / O :

0.1 —— zero point one

123.123 —— one hundred and twenty-three point one two three

三、 百分数 Percentage

% —— percent :

5% —— five percent

0.123 %—— zero point one two three percent

四、 + – × /

1. +  plus / add :2 + 10 = ? 2 + 10 = 12

How much is two plus ten?
Two plus ten is twelve.

2.  –  minus : 8 – 5 = ?  8 – 5 = 3

How much is eight minus five?
Eight minus five is three.

3.  ×  times / mutiplied by : 2 × 3 = ?  2 × 3 = 6

How much is two times three.?
Two times three is six.

4.  / divided by : 10 / 4 = ? 10 / 4 = 2.5

How much is ten divided by four?
Ten divided by four is two point five.

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练习. One minus ________ is ________ .

A. one thirds, two thirds B. one third, two third
C. one third, two the thirds D. one third, two thirds
答案(把鼠标放上即可看到)