Методическое пособие по английскому языку для студентов 4 курса, обучающихся по программе бакалавриата


Percentages Percentages are spoken as per cent. 16.3% sixteen point three per cent Calculations



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Percentages
Percentages are spoken as per cent.
16.3% sixteen point three per cent


Calculations
Calculations are normally said in the following ways:



7 + 3

= 10

seven and three is/are ten (informal) seven plus three equals ten (more formal)

28-6

= 22

six from twenty-eight is/leaves twenty-two (informal) twenty-eight minus six equals twenty-two (more formal)

8X2

= 16

eight twos are sixteen (informal BrE)
eight times two is sixteen (informal) (the most common form in AmE)
eight by two is/equals sixteen (informal)
eight multiplied by two equals/is sixteen (more formal)

27 ∕ 9

= 3

twenty-seven divided by nine equals three

500 ± 5




five hundred plus or minus five

>300 <200




greater than three hundred
less than two hundred

32 =

9

free squared is/equals nine

√ 16 =

4

the (square) root of sixteen is four

33 =

27

three cubed is/equals twenty-seven

3√ 8 =

2

the cube root of eight is two

24 =

16

two to the power of 4 is/equals sixteen (AmE = two to the fourth power)



Units of measurement
Although the metric system is now common in the UK and other English-speaking countries, non-metric units are still used in many contexts, especially in the USA.
Units of length and distance are normally spoken as follows:

3 in, 3"

three inches

2 ft 7 in, 2' 7"

two feet seven inches (or, very informally, two foot seven inches)

500 yds

five hundred yards

3 m (AmE = 3 mi.)

three miles

500 mm

five hundred millimetres (or, more informally, five hundred m-m)

1.5 cm

one point five centimetres

Units of area are normally spoken as follows:

11 sqft

eleven square feet

5 sq m, 5m2

five square metres

7.25 cm2

seven point two five square centimetres

Units of weight are

normally spoken as follows:

3 oz

three ounces

5 lb

five pounds

300 g

three hundred grams

18.75 kg

eighteen point seven five kilograms

Units of volume, capacity and temperature are normally spoken as follows:

300 cc

three hundred cubic centimetres (or, less formally, three hundred c-c

5 pt

five pints

3.2 gal

three point two gallons

75 cl

seventy-five centilitres

200 1

two hundred litres

20°

twenty degrees



Common symbols
& 'ampersand' - this symbol is read as 'and'
* asterisk
© copyright symbol
™ trademark symbol
® registered trademark
• bullet point
۷ BrE = tick; AmE = check
X BrE = cross; AmE = an 'X'
# BrE = hash symbol (Note: in American English, this symbol is used for numbers, e.g. #28 AmE; no. 28 BrE)
@ this symbol is read as 'at' - used in email addresses
∞ infinity symbol
" this symbol is read as 'ditto' - used in lists to avoid writing a word if the same word is written immediately above it


Appendix 7 Assessing your writing
Task 1.
Look at the Writing task below and compare the two sample answers.


WRITING TASK 1
The graph below gives information about changes in the birth and death rates in New Zealand between 1901 and 2101. Write a report for a university lecturer describing the information shown below. Write at least 150 words



Sample A
The graph gives information about changes in the birth and death rates in New Zealand between 1901 and 2101.
In 1901 the birth rate was 20,000 and the death rate was 9,000. In 1961 the birth rate reached a peak of 66,000 while the death rate was 23,000. In 2001 there were 55,000 births and 38,000 deaths, and in 2061 there were 60,000 deaths and 48,000 births.
At the end of the period there were 58,000 deaths and 45,000 births.
Both the birth and death rates changed between 1901 and 2101. Perhaps this was because a lot of people did not want to have children.
(105)

This is a weak answer which would score a low band.


Problems:

  • underlength

  • introduction is copied from task

  • no comparison between figures

  • no focus on general trends

  • no reference to the future (see projection on graph)

  • conclusion tries to explain information rather than summarise it

  • poor linking of ideas (only done by time markers)

  • limited range of grammar and vocabulary

Sample B
The graph shows changes in the birth and death rates in New Zealand since 1901, and forecasts trends up until 2101.
Between 1901 and the present day, the birth rate has been consistently higher than the death rate. It stood at 20,000 at the start of this period and increased to a peak of 66,000 in 1961. Since then the rate has fluctuated between 65 and 50 thousand and it is expected to decline slowly to around 45,000 births by the end of the century.
In contrast, the death rate started below 10,000 and has increased steadily until the present time. This increase is expected to be more rapid between 2021 and 2051 when the rate will probably level off at around 60,000, before dropping slightly in 2101.
Overall, these opposing trends mean that the death rate will probably overtake the birth rate in around 2041 and the large gap between the two levels will be reversed in the later part of this century.
This is a strong answer which would score a high band:
Good points:

  • fulfils criteria for length

  • introduction is paraphrased.

  • main sets of data are compared and contrasted

  • clear focus on the different trends.

  • important features of the graph, (e.g. cross-over point) included

  • information summarised in conclusion

  • well organised information

  • range of linkers and referencing expressions

  • good range of vocabulary and structures, used accurately

1 This reference focuses on some frequent and important nouns in academic English.



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