MONEY :AND NUMBERS CURRENCY DENOMINATION; AND NUMBERS : CARDINAL, ORDINAL AND FRACTIONAL
Numbers in MathA. MONEY
Observe HOW MUCH, CHANGE, MONEY
Situation : Austin and Jane finish their coffee
Austin : Your coffee tastes nice. HOW MUCH a cup?
Waitress : Forty nine cents and two cents TAX, fifty one
CENTS
Austin : Do you have a CHANGE for a TEN?
Cashier : Yes. (He counts) One FIVE, four ONES, a HALF
DOLLAR, a QUARTERS, a DIME, two NICKLES.
and five PENNIES
Austin : yes, that's fine. Here is fifty one cents>?
Cashier : Thank you.
This conversation shows currency denomination in US dollars (e.g TEN, FIVE, ONE, HALF DOLLARS ETC) and how to ask the price of something (HOW MUCH), and TAX. People in USA tend to use ONE PENNY instead of one CENT, ONE NICKLE instead of five CENTS, ONE DIME instead of ten CENTS etc.
Here are American dollars
1. COINS
one CENT = one PENNY (common name)
five CENTS= one NICKLE
ten CENTS = one DIME
25 cents - one QUARTER DOLLAR
50 cents = one HALF
2. BANK NOTES
one DOLLAR 
two DOLLAR
five DOLLAR
ten DOLLAR
twenty DOLLAR
one hundred DOLLAR
Practice :
Example : Teacher Student
a TWENTY DOLLAR A: Do you have any change a
twenty dollar?
B: Yes, I have two TEN-DOLLAR
bills.
a TEN DOLLAR C: Do you have a ten ?
d: Yes, I have two FIVE s.
1. a FIVE 4. a QUARTER
2. a DOLLAR 5. a DIME
3. A HALF-DOLLAR 6. a NICKEL
B. NUMBERS
1. Cardinal Numbers
1 one 16 sixteen 101 one hundred one
2 two 17 seventeen 200 two hundred
3 three 18 eighteen 300 three hundred
4 four 19 nineteen 400 four hundred
5 five 20 twenty 500 five hundred
6 six 21 twenty one 600 six hundred
7 seven 30 thirty 700 seven hundred
8 eight 40 forty 800 eight hundred
9 nine 50 fifty 900 nine hundred
10 ten 60 sixty 1000 one thousand
11 eleven 70 seventy 1200 one thousand two hundred
12 twelve 80 eighty 2050 two thousand fifty
13 thirteen 90 ninety 1.000.000 one million
14 fourteen 100 one thousand 1000.000.000 one billion
2. Ordinal Numbers
1st first 11th eleventh
2nd second 12th twelfth
3rd third 13th thirteenth
4th fourth 14th fourteenth
5th fifth 15th fifteenth
6th sixth 16th sixteenth
7th seventh 20th twentieth
8th eighth 21st twenty first
9th ninth 22nd twenty second
10th tenth 23rd twenty third
24th twenty fourth
31st thirty first
32nd thirty second
33rd thirty third
35th thirty fifth
3. Fractional Numerals
There are some rules in fractional numerals
1. Fractional numerals in English are formed with cardinal and ordinal numbers. The cardinal number is used for the numerators, and ordinal number is used for the denominator.
Examples :
- 1/2 = a half
- 1/4 = a quarter (one fourth)
- 1/3 = one third
- 1/5 = one fifth
- 1/9 = one ninth
2. If the numerator is more than one, the denominator is plural
Examples:
- 3/4 = three quarters (three fourths)
- 2/3 = two thirds
- 4/5 = four fifths
3. If the numbers are more than one with
fractional numbers are read as follows :
fractional numbers are read as follows :
Examples :
- 3 4/5 = three and four fifth
- 5 2/7 = five and two seventh
4. If the fractional numerals are decimal, we read as follows:
- 3.45 = three points forty five
- 7.70 = seven points seventy
- 0.35 = zero points thirty five
5. if the fractional numeral is followed by a noun, we read
as follows :
- 3/5 meters = three fifths of a meter
- 7/4 tons = seven fourths of a ton
- 50 3/5 grams = fifty and three fifth tons
