1. Más números... 200 doscientos /as 30 treinta 300 trescientos /as
400 cuatrocientos /as
500 quinientos /as
600 seiscientos /as
700 setecientos /as
800 ochocientos /as
900 novecientos /as
1000 mil
2000 dos mil, etc….
30 treinta
40 cuarenta
50 cincuenta
60 sesenta
70 setenta
80 ochenta
90 noventa
100 cien
101 ciento uno
102 ciento dos, etc...

2. números, números y más números
cien mil
doscientos/as mil
un millón (de)

3. Spanish numbers are not read in hundreds beyond a thousand, after a thousand the numbers are dos mil tres mil, catorce mil, etc.
When a number from 200 to 900 is used before a feminine noun, it takes a feminine ending: doscientas chicas, quinientas pesetas.
Cien is used when it precedes a noun or when counting.
Ciento is used in compound numbers between 100 and 200 (ciento trece, ciento cincuenta, etc.

4. Mil is never used with un and is never used in the plural for counting.
The plural of millón is millones, and when followed by a noun, both take the preposition de: un millón de dólares, dos millones de pesos, etc.
In Spain and in most of Latin America, thousands are marked by a period and decimals by a comma:
$ 1, $1.000
$ $2,50