اعداد به انگلیسی

English Numbers

در این بخش به بیان اعداد انگلیسی و آموزش آنها می پردازیم.

WHOLE NUMBERS ALSO KNOWN AS CARDINAL NUMBERS – USED FOR COUNTING
Symbol	Word	Pronounce It
0	Nought	0
1	One	1
2	Two	2
3	Three	3
4	Four	4
5	Five	5
6	Six	6
7	Seven	7
8	Eight	8
9	Nine	9
10	Ten	10

MORE NUMBERS

11	Eleven	11
12	Twelve	12
13	Thirteen	13
14	Fourteen	14
15	Fifteen	15
16	Sixteen	16
17	Seventeen	17
18	Eighteen	18
19	Nineteen	19
20	Twenty	20
21	Twenty-one …	21
30	Thirty	30
40	Forty	40
50	Fifty	50
60	Sixty	60
70	Seventy	70
80	Eighty	80
90	Ninety	90
100	One hundred	100
101	One hundred and one …	101
1,000	One thousand	1,000
1,000,000	One million	1,000,000
1,000,000,000,000*	One billion	1,000,000,000,000

ORDINAL NUMBERS – USED FOR RANKING
In figures	In words	Pronounce It
1st	the first	1st
2nd	the second	2nd
3rd	the third	3rd
4th	the fourth	4th
5th	the fifth	5th
6th	the sixth	6th
7th	the seventh	7th
8th	the eighth	8th
9th	the ninth	9th
10th	the tenth	10th
11th	the eleventh	11th
12th	the twelfth	12th
13th	the thirteenth	13th
14th	the fourteenth	14th
15th	the fifteenth	15th
16th	the sixteenth	16th
17th	the seventeenth	17th
18th	the eighteenth	18th
19th	the nineteenth	19th
20th	the twentieth	20th
21st	the twenty-first	…
22nd	the twenty-second	…
23rd	the twenty-third	…
24th	the twenty-fourth	…
25th	the twenty-fifth	…
26th	the twenty-sixth	…
27th	the twenty-seventh	…
28th	the twenty-eighth	…
29th	the twenty-ninth	…
30th	the thirtieth	30th
40th	the fortieth	40th
50th	the fiftieth	50th
60th	the sixtieth	60th
70th	the seventieth	70th
80th	the eightieth	80th
90th	the ninetieth	90th
100th	the hundredth	100th
101st	the hundred and first	…
1000th	the thousandth	1000th

Ordinal numbers are often used in fractions:-

FRACTIONS
Symbol	Word	Pronounce It
¹/₈	One eighth	¹/₈
¹/₅	One fifth
¹/₄	One quarter	¹/₄
³/₄	Three quarters	³/₄
¹/₃	One third	¹/₃
²/₃	Two thirds
¹/₂	One half	¹/₂

SUMS
Symbols	Word (common term in brackets)	Pronounce It
+	Plus (And)	+
–	Minus (Take away)	–
x	Multiplied by (Times)	x
÷	Divided by	÷
=	Equals (Is)	=
.	Point	.
%	Percent	%
(((1 + 6) – 2) x 2) ÷ 2.5=4	One plus six minus two multiplied by two divided by two point five equals four or One and six take away two times two divided by two point five is four	1 + 6 – 2 x 2 ÷ 2.5=4
10% 100=10	Ten percent of one hundred equals ten.	10% 100=10

WHAT TO SAY

ONE

We often say “a” instead of “one”.
For example when we have the numbers 100 or ¹/₂ we say “A hundred” or “A half”.

FRACTIONS

Not all numbers are whole numbers, or just fractions (see above), they are a mixture of both.

For example:
1¹/₂ – “One and a half.”

DECIMALS

When pronouncing decimals we use the word “point” to represent the dot. The numbers following the dot are pronounced separately.

For example:

When you have the number 1.36 we say “One point three six.”

SQUARED / CUBED / TO THE POWER OF

Square numbers are written 2² = we say “Two squared” = 2 x 2 = Two squared equals four.

Cubed numbers are written 2³ = We say “Two cubed” = 2 x 2 x 2 = Two cubed equals eight

You can also say “to the power of” – “Two to the power of two equals four.” and “Two to the power of three equals eight.”

You can then have “to the power of” any number.

Two to the power of twelve = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 4096.

It’s much easier to write 2¹² = 4096.

INTERESTING NUMBERS

~ 0 ~

What could possibly be interesting about nothing?

Try writing the numbers zero ( 0 ) through nine ( 9 ).

0 1 2 3 4 5 6 7 8 9

Then write how many numbers you have counted:-

1 2 3 4 5 6 7 8 9 10

Yes, ten numbers, without using the number 10.

You can put as many noughts in front of a number without changing the value of that number:-

01, 002, 0003, 00004 …

In English 10, 20, 30, through to 90 are 1 ten, 2 tens, 3 tens, etc.

Also there are a number of ways you can say 0 in English.

	When we use it	For example:-
0 = oh	after a decimal point	9.02 = “Nine point oh two.”
	in bus or room numbers	Rooom 101 = “Room one oh one.” Bus 602 = “Bus six oh two.”
	in phone numbers	9130472 = “Nine one three oh four seven two.”
	in years	1906 = “Nineteen oh six.”
0 = nought	before a decimal point	0.06 = “Nought point oh six.”
0 = zero	in temperature	-10°C = “10 degrees below zero.”
	US English for the number	0 = “Zero”
0 = nil	in football	Chelsea 2 Manchester United 0 = “Chelsea two Manchester United nil.”
0 = love	in tennis	20 – 0 = “Twenty love.”

~ 12 ~

The number 12 is often represented as a dozen and the number 6 as a half dozen.

For example:
12 eggs= “A dozen eggs.”
6 eggs = “Half a dozen eggs.”

~ 13 ~

A dozen is 12, but a baker’s dozen is 13, because in the past bakers who were caught shortchanging customers could be liable to severe punishment, so they used to add an extra bread roll to make up the weight.

~ 100 ~

A century is 100. The roman numeral for 100 is C, for centum.

One hundred is the basis of percentages (literally “per hundred”). 100% is the full amount of something.

*~ 1 billion ~

When is a billion not a billion?

In British English billion traditionally means a million million = 1,000,000,000,000 = 10¹²

In American English billion means a thousand million = 1,000,000,000 = 10⁹

The American billion has become standard in technical and financial use.

However, to avoid confusion it is better to use the terms “thousand million” for 10⁹ and “million million” for 10¹².

Milliard ” is French for the number 10⁹. It is not used in American English but is sometimes, but rarely, used in British English.

LETTERS AS NUMBERS

~ k ~

The letter k is often used to denote a thousand. So, 1k = 1,000.

If you see a job advertised and it offers a salary of £12k it means £12,000.00.

~ m ~

The letter m is often used to denote a million. So, 1m = 1,000,000.

If you see a job advertised and it offers a salary of £12m, apply for it!

~ bn ~

The letters bn denote a billion. So, 1bn is usually 1,000,000,000 (see above).

If you see a job advertised and it offers a salary of £12bn, it’s probably a missprint.

myriad

The word myriad used to mean 10,000. Nowadays it’s used to refer to a countless number or multitude of specified things.

For example: Earth hosts a myriad of animals.

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