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Learning Zone
Grammar

Rules for formation and use of numerals

Level: A1, A2

CARDINAL NUMERALS 

A cardinal numeral is part of the sentence which represents a number. We use a cardinal number to count or to say how many of something there are.

NUMERALS 13 – 19

We create numbers 13-19 by adding the ending -teen:

seven – seventeen
six – sixteen

NUMERALS MULTIPLES OF TEN

Numbers that are multiples of ten are created by adding the ending -ty:

six – sixty
seven – seventy

In a few cases, there is a slight spelling change:

four – forty
five – fifty

SEVERAL NUMERALS

Several numerals are written completely differently:

11 – eleven
12 – twelve
13 – thirteen
20 – twenty
30 – thirty
100 – a hundred

USE OF NUMERALS IN VARIOUS SITUATIONS

HOURS

In English, we express hours with cardinal numerals:

8:00 – eight (o’clock)
12:00 – twelve (o’clock)

11:18 – eighteen past eleven
1:58 – two (minutes) to two

PHONE NUMBERS

Phone numbers are broken down into single numbers:

 356-8971 –  three five six – eight nine seven one

When two numbers are the same we use the word “double”:

466-6119 – four double six – six double one nine

In phone numbers, zero is pronounced [əu], just like the letter “o” in the alphabet:

E:

209-5706 – two o nine – five seven o six

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