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Cardinal Numbers - Números
In this lesson you’ll find some notes and information about how to use cardinal numbers as well as the pronunciation of the numbers,
“Um / uma” mean “one” and “a” (the indefinite article). “Um” is masculine and “uma” feminine. Study the examples below:
Number two has both feminine and masculine forms. Study the examples.
Numbers from 0 to 30 are written as one word.
From 21 to 99 you have to add “e” (which means and) between the tens and the unities.
Use the word “cem” for 100 and the word “cento” for number from 101 to 199.
101. cento e um
138. cento e trinta e oito
199. cento e noventa e nove
200, 300, 400, 500, 600, 700, 800, 900 have feminine and masculine forms. They must agree in gender and number with the noun. Observe that when they are written in the masculine form they end in “os” and when they are written in the feminine from they end in “as”
Use “e” (which means “and”) to separate hundreds, tens, and unities.
25. vinte e cinco
125 cento e viente e cinco
34 trinta e quatro
234. duzentos e trinta e quatro
75. setenta e cinco
375 trezentos e setenta e cinco