The document provides rules for expressing numbers from 100 to 999 in Spanish. It states that for numbers from 100 to 199, "ciento" is used followed by the ones place value. For numbers ending in hundreds from 200 to 900, the hundreds place value takes on a masculine or feminine form depending on the noun it modifies. Examples are given of numbers expressed in Spanish according to the rules.

1.  
Unidad 7

2.  When you reach an even hundred, you usually use the form
cien. Once another number gets attached (101, 103, 115,
122, 143, etc.), you use ciento ...

 100 cien ciento
 101 ciento uno
 102 ciento dos
 115 ciento quince
 121 ciento veinte y uno
 138 ciento treinta y ocho
 145 ciento cuarenta y cinco
 169 ciento sesenta y nueve
 175 ciento setenta y cinco
 199 ciento noventa y nueve

3.  If you're counting "feminine objects," you will want to change these
numbers to their corresponding feminine form ending "-cientas."
 200 doscientos
 225 doscientos veinte y cinco
 300 trescientos
 400 cuatrocientos
 500 quinientos
 600 seiscientos
 700 setecientos
 800 ochocientos
 900 novecientos
 999 novecientos noventa y nueve
 If you're using any of these numbers to modify a feminine noun, you'll need
to use the feminine form of the adjective:
 doscientas sillas
 quinientas vacas
 novecientas arañas

4.  Pick up a Real Estate home listings
brochure (you can find these
everywhere) and read the asking prices
out loud - IN SPANISH!!!