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Numerals

Grammar - Numerals

The cardinal numbers (one, two, three, four…) are used to refer to quantity and the ordinal numbers (first, second, third, fourth…) are used to describe an order type.

CARDINAL NUMBERS AND ORDINAL NUMBERS

1 one 1st – first
2 two 2nd – second
3 three 3rd – third
4 four 4th – fourth
5 five 5th – fifth
6 six 6th – sixth
7 seven 7th – seventh
8 eight 8th – eighth
9 nine 9th – ninth
10 ten 10th – tenth
11 eleven 11th – eleventh
12 twelve 12th – twelfth
13 thirteen 13th – thirteenth
14 fourteen 14th – fourteenth
15 fifteen 15th – fifteenth
16 sixteen 16th – sixteenth
17 seventeen 17th – seventeenth
18 eighteen 18th – eighteenth
19 nineteen 19th – nineteenth
20 twenty 20 – twentieth
21 twenty-one 21st – twenty-first
22 twenty-two 22nd – twenty-second
23 twenty-three 23rd – twenty-third
24 twenty-four 24th – twenty-fourth
25 twenty-five 25th – twenty-fifth
26 twenty-six 26th – twenty-sixth
27 twenty-seven 27th – twenty-seventh
28 twenty-eight 28th – twenty-eighth
29 twenty-nine 29th – twenty-ninth
30 thirty 30th – thirtieth
31 thirty-one 31st – thirty-first
40 forty 40th – fortieth
50 fifty 50th – fiftieth
60 sixty 60th – sixtieth
70 seventy 70th – seventieth
80 eighty 80th – eightieth
90 ninety 90th – ninetieth
100 one hundred 100th – hundredth
500 five hundred 500th – five hundredth
1.000 one thousand 1.000th – one thousandth
1.500 one thousand five hundred, or fifteen hundred 1.500th – one thousand five hundredth
100.000 one hundred thousand 100.00th – one hundred thousandth
1.000.000 one million 1.000.000th – one millionth

ZERO / O / NIL / NOUGHT

Use the word zero when reading decimals, percentages, phone numbers and some expressions.

Letter ‘o’ is used to read years, times or addresses.

Nil is used to refer to sports scores

Nought is old-fashioned English and it’s rarely used. Some teachers use it to teach math.

zero Used to read the number by itself, in reading decimals, percentages, and phone numbers, and in some fixed expressions.
o (the letter name) Used to read years, addresses, times and temperatures
nil Used to report sports scores
nought Not used in the USA

DECIMALS

0.6 point six
0.25 point two five
0.74 point seven four
0.08 point zero eight
0.9529 point nine five two nine
1.95 one point nine five

FRACTIONS

1/2 one half
1/3 one third
2/3 two-thirds
1/4 one quarter
15 1/4 fifteen and one quarter

MEASUREMENTS

20m twenty meters
30km/h thirty kilometers per hour
10ft ten feet
5L five liters
5tbsp five tablespoons
1tsp one teaspoon

PERCENTAGES

9% nine percent
28% twenty-eight percent
47.25% forty-seven point two five percent
100% one hundred percent
500% five hundred percent

YEARS

2017

2006

2000

1905

1900

860

2000BC

twenty seventeen or two thousand seventeen

two thousand six

two thousand

nineteen o eight

nineteen hundren

eight hundred sixty or eight sixty

two thousand BC