NUMBERS
You will be working with numbers all the time, so you need to be aware of them, how we pronounce them individually and mathematical formulas. Let’s have a closer look at how we read and write them:
Cardinal numbers are:
0:ZERO 315: THREE HUNDRED AND FIFTEEN
1 : ONE 6,155: SIX THOUSAND ONE HUNDRED AND FIFTY FIVE
2 : TWO 2,340,901: TWO MILLION THREE HUNDRED AND FORTY THOUSAND NINE HUNDRED AND ONE
10 : TEN 1,000,000,000: ONE BILLION
100: ONE (A)HUNDRED 1,000,000 : ONE MILLION
1,000:ONE/A THOUSAND
Ordinal numbers and dates
| | |
| --- | --- |
| 1st | 31st |
Publicité
| 2nd | 1,000,000th |
| 3rd | 1st January |
| 4th | 3rd April |
| 5th | 15th May 2009 |
| 10th | 22nd June 1990 |
| 25th | |
| |
| --- |
| |
| |
| 1 I |
Arithmetic
| | |
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| --- | --- |
| + ADDITION | 5+4=9 |
| -SUBSTRUCTION | 5-4=1 |
| \Multiplication | 5\4=20 |
| :Division | 20:4=5 |
Practice
Task One
Write down these numbers or dates and fractions:
1,000,000,000
21st May
35%
8,237
6541
Publicité
$4,320
9.369
34.65 g
Three minus three plus sixteen divided by four equals four:
Twelve plus six divided by nine times ten minus two equals eighteen:
Sixteen point five plus one point three four minus ten point eight six equals six point nine eight:
The square root of thirty-six multiplied by four cubed equals three hundred eighty-four:
Task Two: Write the following in words not in numbers:
5% of the population owned 85% of the country’s wealth in 1995.
About 2,000,000 people live in Slovenia.
55.2% of adults have false teeth.
6 x 7 = 42
That is 33,923 km from here
Publicité
23,250 umbrellas are approximately sold in England every year. It was extremely cold, about -20 degrees Celsius.
Task Three: Now, go online and google how to write the following fractions, decimals and percentages
| | | |
| --- | --- | --- |
| | | |
| 2 ½ : | | |
| 3 ¼ : | | |
| 25% : | | |
| 99% | : | |
| 1.33 : | | |
| 6.7895: | | |