## Cardinal and ordinal numbers in English

### 1.Cardinal numbers

Whole numbers also known as cardinal numbers.

Examples:

There are six books on the table.
Alinda is two years old.

### 1.1. Numbers bigger than 20

Use a hyphen between compound numbers.
Symbol Word
25 twenty-five
63 sixty-three
89 eighty-nine

### 1.2. Numbers bigger than 100

Use a hyphen between compound numbers and the word and.
Use either the definite article a or one for 100.
Symbol Word
143 a/one hundred and fourty-three
562 five hundred and sixty-two
In American English and is mostly not used.

### 1.3.Numbers bigger than 1,000

Symbol Word
1,245 a/one thousand and two hundred and fourty-five
4,783 four thousand and seven hundred and eighty-three
In American English and is mostly not used.

### 1.4. The number 0

Word When we use it For example
zero in temperature -20 °C = "20 degrees below zero"
nought figure 0 in British English 6 - 6 = 0 Five minus five leaves nought.
oh after a decimal point, in phone numbers, in years 7.01 = "seven point oh one"
nil in sport Galatasaray 1 - Manchester United 0 = "Galatasaray one Manchester United nil"
love in tennis 40 - 0 = "Fourty love."

### 1.5. Year

Symbol Word
1800 eighteen hundred
1803 eighteen hundred (and) one
eighteen oh-three
1985 nineteen hundred eighty-five
2000 two thousand
twenty hundred
2007 two thousand (and) seven
twenty oh-seven
2025 two thousand (and) twenty-five
twenty twenty-five

### 2. Ordinal numbers

Used for ranking.
In figures In Words
1st first
2nd second
3rd third
5th fifth
8th eighth
9th ninth
12th twelfth
20th twentieth
21st twenty-first
22nd twenty-second
23rd twenty-third
24th twenty-fourth
25th twenty-fifth
26th twenty-sixth

### 3. Fractions

In figures In Words
1/8 One eighth
1/5 One fifth
1/3 One third
2/3 Two third
1/4 One quarter
3/4 Three quarters
1/2 One half

### 4. Decimals

4.9 → four point nine
3.57 → three point five seven

### 5. Sums

Symbols Words
+ Plus (And)
- Minus (Take away)
x Multiplied by (Times)
/ Divided by
= Equals (Is)
% Percent
. Point
Example:
• Two plus eight minus four multiplied by two divided by three equals four
• Two and eight take away four times two divided by three is four
• (((2 + 8) - 4) x 2) ÷ 3 = 4