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Introduction to Numbers in Portuguese

Portuguese numbers

In this unit, we’ll learn about Portuguese numbers, known as númerosnumbers or numeraisnumerals .
Números are just one type of quantificadoresquantifiers , but they are so important that we thought they deserved their own unit. We’ll explore some of the other quantifiers in the How Much? How Many? unit. But for now, let’s go over the números, which simply tell us the specific, numeric amount of a particular something.

The 5 Types of Numbers:

We’ll focus on the cardinal numbers up to 15 in this first unit (Numbers 1) and then in Numbers 2, we’ll practice forming higher numbers in the tens, as well as numbers in the hundreds and thousands. In Numbers 3, we’ll explore ordinal, multiplier, fractional, and collective numbers. Below you’ll find a handy reference chart with all 5 types of Portuguese numbers.

Portuguese Numbers Reference Chart:

Portuguese Numbers 0-1001 (Cover)

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Números
CardinalOrdinalMultiplierFractionalCollective
0zero
1Ium
uma
primeiro
2IIdois
duas
segundo duplo
dobro
meio
metade
duo
dueto
3IIItrês terceiro triplo terço trio
4IVquatro quarto quádruplo quarto quarteto
5Vcinco quinto quíntuplo quinto quinteto
6VIseis sexto sêxtuplo sexto meia dúzia
sexteto
7VIIsete sétimo séptuplo sétimo
8VIIIoito oitavo óctuplo oitavo
9IXnove nono nono novena
10Xdez décimo décuplo décimo dezena
década
11XIonze décimo primeiro undécuplo onze avos
12XIIdoze décimo segundo duodécuplo doze avos dúzia
13XIIItreze décimo terceiro treze avos
14XIVcatorze décimo quarto catorze avos
15XVquinze décimo quinto quinze avos
16XVIdezasseis décimo sexto dezasseis avos
17XVIIdezassete décimo sétimo dezassete avos
18XVIIIdezoito décimo oitavo dezoito avos
19XIXdezanove décimo nono dezanove avos
20XXvinte vigésimo vinte avos
21XXIvinte e um vigésimo primeiro vinte e um avos
25XXVvinte e cinco vigésimo quinto vinte e cinco avos quarteirão
30XXXtrinta trigésimo trinta avos
40XLquarenta quadragésimo quarenta avos
50Lcinquenta quinquagésimo cinquenta avos
60LXsessenta sexagésimo sessenta avos
70LXXsetenta septuagésimo setenta avos
80LXXXoitenta octogésimo oitenta avos
90XCnoventa nonagésimo noventa avos
100Ccem centésimo cem avos centena
101CIcento e um centésimo primeiro cento e um avos
200CCduzentos ducentésimo duzentos avos
300CCCtrezentos tricentésimo trezentos avos
400CDquatrocentos quadringentésimo quatrocentos avos
500Dquinhentos quingentésimo quinhentos avos
600DCseiscentos sexcentésimo seiscentos avos
700DCCsetecentos septingentésimo setecentos avos
800DCCCoitocentos octingentésimo oitocentos avos
900CMnovecentos nongentésimo novecentos avos
1000Mmil milésimo mil avos milhar
1001MImil e um milésimo primeiro mil e um avos

Portuguese Numbers Notation

In some English-speaking countries, such as the US and UK, numbers are typically written as such: 12,345.67. In Portugal, however, it would be 12.345,67 with the comma and decimal point reversed. Alternatively, you may just see a space instead of a comma or decimal point for large whole numbers, as in 20 000 (instead of 20,000 or 20.000). Note: In our exercises, we typically avoid any spacing or punctuation, just to keep things simple when entering your response.

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