UNIT
92

NUMBERS

 

A

Cardinal numbers

 


379 = three hundred (and) seventy nine
5,084 = five thousand (and) eighty-four
2,860 = two thousand eight hundred (and) sixty
470,000 = four hundred (and) seventy thousand
2,550,000 = two million, five hundred (and) fifty thousand
3,000,000,000 = three billion

Note: There is no plural -s after hundred, thousand, million, and billion when these words are part of a number. By themselves, they can be plural, e.g., thousands of people; millions of insects.

 

B Ordinal numbers and dates
 


We write March 4 (or March 4th), but say March (the) fourth or the fourth of March.
1905 = nineteen oh five
2010 = two thousand (and) ten or twenty ten

 

C

Fractionsand decimals

 


11/4 = one and a quarter / a fourth
1 1/2 = one and a half
11 3/4 = one and three quarters/fourths
1 1/3= one and a third

1.75 = one point seven five
1.25 = one point two five
1.5 = one point five

1.33 = one point three three

 

D Percentages
 


26% = twenty-six percent
More than 50% is the majority; less than 50% is the minority.

 

E Arithmetic
 


There are four basic processes for doing [calculating] math problems:

+ addition
- subtraction
* multiplication
/- division

6 + 4 = 10 (six plus/and four equals/is ten)
6 - 4 = 2 (six minus four equals/is two)
6 x 4 = 24 (six times / multiplied by four equals/is twenty-four)
4 / 2 = 2 (four divided by two equals/is two)


F Saying "0"
 


telephone numbers: 555-0724 = five five five, oh seven two four
mathematics: 0.7 = zero point seven / point seven; 6.02 = six point oh two
temperature: -10 degrees = ten (degrees) below zero / minus ten (degrees)
most sports games: 2-0 = two (to) nothing / two oh / two (to) zero

 

G Talking numbers
 


The buildings have odd numbers (e.g., 3, 5, 7) on the left side of the street and
even numbers (e.g., 4, 6, 8) on the right.
I got 16 out of 20 on our last test. 26/20