2.4.- Numbers.
Citas Para Pensar
– "Think of a number between one and twenty. Now double it. Multiply the total by four. Now subtract eighteen. Add three and take away the number you started with. Now close your eyes."
– "Yes."
– "Dark, isn't it?
We are surrounded by numbers: dates, ages, quantities... Here we learn a bit more about the use of numbers in English .
There are two groups of numbers: Cardinal and Ordinal numbers.
- Cardinal numbers tell us how many things there are in a group.
They are used in figures, prices, schedules, percentages, years, measures, phone numbers, time, addresses, codes, age, etc.
- I'm 27 years old.
- It only costs 23 euros. There is a 20% discount.
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Ben Nevis, the highest mountain in Britain is 1,343 metres high.
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Ordinal numbers tell us what position something has in an ordered group.
They are mainly used for dates and centuries. We pronounce "the" before the ordinal numbers, though we do not write it.
- Today is March 26th .
- The Industrial Revolution took place in the 19th century.
You should know
For a chart of ordinal and cardinal numbers click on the link.
Ejercicio Resuelto
Click to read the Spanish translation.
A step ahead
Enjoy a Sesame Street favourite: the Role Call For 20.