Numbers are a special kind of adjective. They can tell how many. They can also tell the order of things in a sequence.

Number Words

0	zero
1	one
2	two
3	three
4	four
5	five
6	six
7	seven
8	eight
9	nine
10	ten
11	eleven
12	twelve
13	thirteen
14	fourteen
15	fifteen
16	sixteen
17	seventeen
18	eighteen
19	nineteen
20	twenty
30	thirty
40	forty
50	fifty
60	sixty
70	seventy
80	eighty
90	ninety
100	one hundred
500	five hundred
1,000	one thousand
5,000	five thousand
10,000	ten thousand
100,000	one hundred thousand
500,000	five hundred thousand
1,000,000	one million

This woman is the first customer. She buys two heads of broccoli for $1.98.