﻿ Using Numbers.

## Using Numbers.

Select which of the following sentences uses numbers correctly.

1

 a) Twenty-five people wrote in with the right answer. b) 25 people wrote in with the right answer. c) Twenty five people wrote in with the right answer. Please select an answerCorrect.You should not start a sentence with numerals. The initial number needs a hyphen.

2

 a) In my class there are 27 12 year old children. b) In my class there are twenty-seven 12 year-old children. c) In my class there are 27 twelve-year-old children. Please select an answerWhen two numbers come together, one should be written in words. Usually the shorter number is written in words. Correct. When two numbers come together, the shorter one is written.

3

 a) Nineteen-ninety-four was a fantastic year. b) The year 1994 was fantastic. c) 19 ninety-four was a fantastic year. Please select an answerAlthough numbers at the beginning of a sentence are usually written in words, years can be written with numerals. Correct. Although numbers at the beginning of a sentence are usually written in words, years can be written with numerals. When writing years, you cannot mix words and numerals.

4

 a) The distance from London to Auckland is eighteen thousand four hundred and twenty-six km. b) The distance from London to Auckland is 18,426 kms. c) The distance from London to Auckland is 18,426 km. Please select an answerWrite large numbers out using numerals. When using abbreviations of measurements, make sure they are single. Correct.

5

 a) The weight of the sample left after the drying process was eight point four grams. b) The weight of the sample left after the drying process was 8.4 grams. c) The weight of the sample left after the drying process was eight point 4 grams. Please select an answerWrite decimal numbers using numerals.Well done. Write decimal numbers using numerals.

6

 a) Colombia's population is now more than nine million people. b) Colombia's population is now more than 9 million people. c) Colombia's population is now more than 9,000,000 people. Please select an answerCorrect. With imprecise numbers you can write them in words. With imprecise numbers you can write them in words.

7

 a) The prize mushroom weighed 145 kgs. b) The prize mushroom weighed one hundred and 45 kgs. c) The prize mushroom weighed 145 kg. Please select an answerAbbreviations of measurements should be singular.Write larger numbers out using numerals. Correct. Write this number out using numerals and keep the abbreviation singular.

8

 a) Mr Titchmarsh was very proud of the 18-foot sunflower. b) Mr Titchmarsh was very proud of the eighteen foot sunflower. c) Mr Titchmarsh was very proud of the 18 foot sunflower. Please select an answerCorrect. You need a hyphen when the unit modifies a noun. You need a hyphen when the unit modifies a noun. You need a hyphen when the unit modifies a noun.

9

 a) Our journey took us over nine thousand kms. b) Our journey took us over 9,000 km. c) Our journey took us over 9,000 kms. Please select an answerWhen the number is used with a unit of measure, numerals should be used. Correct. Numerals are better here. Abbreviations of units of measure should be singular.

10

 a) We need six 50-watt bulbs for our new flat. b) We need 6 50-watt bulbs for our new flat. c) We need 6 fifty-watt bulbs for our new flat. Please select an answerCorrect. When two numbers come together, write the smaller one out in words. When two numbers come together, write the smaller one out in words. When two numbers come together, write the smaller one out in words.

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