NUMBERS

(the material of the module is taken from:“Engineering” Workshop by Lindsey White, OUP;

Unit 25, pg.28; Unit 26; pg.29)

Match the Arabic and Roman numbers.

40 500 1000 10 100 50 1 5 800 60

M I D C L LX V XL X DCCC

Which numbers are used in mathematics? Why?

Match the numbers below with the words (1-9) in the table.

Note: In English, you write a point (.) not a comma (,) in decimal numbers. You say the numbers after the point separately, for example “23.34” is pronounced as “twenty-three point three four”.

½ 1,000,000 (1m) 2.5 327 2,580 0 ¼ 2/3 3.6 %

	two thirds
	three point six per cent
	a quarter
	zero/nought
	two point five
	one million
	two thousand, five hundred and eighty
	three hundred and twenty-seven
	a half

Read the following text. Complete the text by putting a word or number from the box below in each space (1-10).

half -5° -40° 88% Hundreds 200 14,000 1989 4000 5000m²

THE JUKKASJARVI ICEHOTEL The Jukkasjarvi Icehotel in Sweden is an interesting and cold place for a holiday. It started life as an igloo (a small house made of snow) at an art exhibition in (1) __________ . (2) __________ of people visited the exhibition and some even slept there, so the builders decided to make it a hotel. The Icehotel is open for less than (3) __________ of the year. Every May it melts and every November it is rebuilt. It now measures (4)__________ and it needs (5) __________ tons of ice and 30,000 tons of snow to build it. This actually means that it is more than (6) __________ snow. The temperature inside the hotel is usually about (7) __________ . Outside in Jukkasjarviitself the temperature can be much lower even as low as (8) __________ ! Last year more than (9) __________ visitors travelled (10)__________ km north of the Arctic Circle to sleep in thermal sleeping bags. They got a cool reception!

Write the following numbers correctly.

	thirty-four point five percent
	six point nine seven
	one third
	four thousand, five hundred and sixty-seven
	three thousand, nine hundred and fifty-eight
	fifty-five percent
	a half
	seven point six five

Search the Internet and find the answers to the following questions.

a) Who introduced Arabic numbers to European maths?

b) Who developed the idea of ‘zero’?

Read the following text.

POPULATION IN THE UK There were (1) twelve point one million children aged under (2) sixteen in (3) two thousand: (4) six point two million boys and (5) five point nine million girls. This is fewer than in (6) nineteen seventy-one, when there were (7) fourteen point three million children. In (8) two thousand, (9) thirty per cent of children in the UK were under five, (10) thirty-two per cent were aged five to nine years and (11) thirty-eight per cent were aged ten to fifteen. These proportions were similar in the (12) nineteen seventies.

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POST-LISTENING	\|	Now choose the correct answers to the questions (1-3) below.

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