2. Számolás B1B2 (61) – altémák

1. Számok, értékek (24) 2. Számolás (17) 3. Becslés, pontosság (20)

estimate verb /ˈes.tɪ.meɪt/ [T] becsül, felbecsül (mennyiséget, költséget, stb.)

Government sources estimate a long-term 50% increase in rail fares.

They estimate that the journey will take at least two weeks.

It was difficult to estimate how many trees had been destroyed.

The number of dead is estimated at over three hundred.

underestimate verb /ˌʌn.dəˈres.tɪ.meɪt/ [T] 1 alábecsül vmit (költséget, a fontosságát vminek, stb.)

Many people underestimate the cost of owning a car.

We shouldn't underestimate the part that exercise plays in good health.

accuracy noun /ˈæk.jʊ.rə.si/ [U] pontosság, szabatosság

We can predict changes with a surprising degree of accuracy.

average noun /ˈæv.ər.ɪdʒ/ 2 átlag (tipikus, szokásos mennyiség, mérték) [C or U]

An 8-hour working day is about the average.

The audience figures were lower than average for this sort of film.

The quality of candidates was (well) below/above average.

I expect to spend an average of £20 on a meal in a restaurant.

estimate noun /ˈes.tɪ.mət/ [C] becslés (mennyiségé, költségé, stb.); árajánlat, költségvetés

The number of people who applied for the course was 120 compared with an initial estimate of between 50 and 100.

This is only a rough estimate.

sample noun /ˈsɑːm.pl̩/ [C] 1 minta (a sokaságból) (statisztikai minta)

a random sample of voters

a nationally representative sample of 200 schools

statistics noun /stəˈtɪs.tɪks/ [plural] statisztika

Statistics show/suggest that women live longer than men.

According to official statistics, the Japanese work longer hours than workers in most other industrialized countries.

accurate adjective /ˈæk.jʊ.rət/ pontos, hibátlan

accurate information/measurements

She was able to give the police a fairly accurate description of the man.

Her novel is an accurate reflection of life in post-war Spain.

We hope to become more accurate in predicting earthquakes.

approximate adjective /əˈprɒk.sɪ.mət/ körülbelüli

The train's approximate time of arrival is 10.30.

Can you give me an approximate idea of the numbers involved?

estimated adjective /ˈes.tɪ.meɪ.tɪd/ becsült (mennyiség, távolság stb.)

an estimated cost/value

exact adjective /ɪgˈzækt/ pontos; precíz

The exact distance is 1.838 metres.

I'm afraid I can't give you exact details.

The exact location of the factory has yet to be decided.

They've lived here a long time - 25 years to be exact.

inaccurate adjective /ɪnˈæk.jʊ.rət/ pontatlan, hibás

inaccurate information/figures

rough adjective /rʌf/ 2 durva, hozzávetőleges, vázlatos

Write a rough copy first and check the grammar.

Can you give me a rough idea of the numbers?

accurately adverb /ˈæk.jʊ.rət.li/ pontosan

The plans should be drawn as accurately as possible, showing all the measurements.

approximately adverb /əˈprɒk.sɪ.mət.li/ körülbelül

The job will take approximately two weeks, and cost around £1000.

The college has approximately 700 students.

precisely adverb /prɪˈsaɪ.sli/ 1 pontosan; pont, pontban

The fireworks begin at eight o'clock precisely.

What do you think the problem is, precisely?

roughly adverb /ˈrʌf.li/ 1 durván, hozzávetőleg

There has been an increase of roughly 2.25 million.

Roughly speaking, it's 2.25 million.

We have roughly the same tastes.

Phrases and idioms:

on average átlagosan

Female workers earn, on average, a third less than men.

or so körülbelül, úgy (vmennyi) (informal)

"How many people were at the party?" "Fifty or so, I guess."

somewhere around/between, etc. valahol ..., körülbelül, úgy

Somewhere between 900 and 1100 minor crimes are reported in this city every week.

It will take us somewhere between three and four hours to get to Madrid.

The company's annual turnover is somewhere around £70.7 million.

4. lecke (A1) – 13. lecke (A2) – 29. lecke (B1) – 56. lecke (B2) – 84. lecke (C1) – 103. lecke (C2)