Introduction
Learning numbers 1 to 20 in Brazilian Portuguese is one of the fastest wins for a complete beginner. Numbers appear everywhere: prices, phone numbers, schedules, dates, menus, and short conversations. This article teaches pronunciation tips, spelling, everyday examples, common mistakes, and quick practice exercises so you can recognize, say, and use the numbers confidently.
Portuguese numbers 1 to 20: list with pronunciation and basic meaning
Below are the numbers you need to memorize first. The first time each Portuguese number appears it is highlighted for emphasis.
um — 1 (oom)
dois — 2 (doys)
três — 3 (treys, nasal final s varies regionally)
quatro — 4 (KWA-troo)
cinco — 5 (SEEN-koo)
seis — 6 (says)
sete — 7 (SEH-chee)
oito — 8 (OY-too)
nove — 9 (NOH-vee)
dez — 10 (dehs)
onze — 11 (ON-zee)
doze — 12 (DOH-zee)
treze — 13 (TREH-zee)
catorze — 14 (kah-TOR-zee) — note alternative quartoze may appear in some regions but catorze is common in Brazil
quinze — 15 (KEEN-zee)
dezesseis — 16 (deh-zeh-SAYS)
dezessete — 17 (deh-zeh-SEH-chee)
dezoito — 18 (deh-ZOY-too)
dezenove — 19 (deh-zeh-NOH-vee)
vinte — 20 (VEEN-chee)
Quick pronunciation tips
Brazilian Portuguese vowels differ from English. Open vowels and nasal sounds are common. Pay attention to the strong stress in two-syllable numbers: most stress falls on the first syllable of vinte, três, quatro, etc.
Consonants like d and t change before i and e in some regions, but for beginners pronounce the letters clearly: d = d sound, t = t sound. Practice by repeating each number slowly, then faster.
Basic grammar and number usage
Numbers in Portuguese behave similarly to English when counting and labeling quantities, but there are a few grammar points to know.
1) Gender and agreement: um changes to uma when referring to a feminine noun. Example:
Tenho um livro. (I have one book.)
Tenho uma maçã. (I have one apple.)
2) Long forms for 1 as pronoun: Use um as the numeral and um or uma as the indefinite article. Example:
Quero um café. (I want a coffee.)
3) Use cardinal numbers for quantities and ordinal numbers for positions; ordinals are not covered here but note that 1st = primeiro, 2nd = segundo, etc.
Practical everyday examples
Here are short, realistic phrases that show how numbers 1 to 20 appear in daily life. Each Portuguese phrase is followed by an English explanation.
Qual é o seu número de telefone? O meu é nove – oito – sete – três – dois.
Phone number example: My number is 98732. In spoken Portuguese you usually say the digits one by one.
Quanto custa? Dez reais.
Shopping example: It costs ten reais. Real is Brazil currency, but here we focus on the number dez.
A aula começa às nove horas.
Schedule example: The class starts at nine o’clock. Use horas for full hours.
Eu tenho quatro irmãos.
Family example: I have four siblings. Note the plural noun after the numeral.
Me traga três copos de água, por favor.
Service example: Bring me three glasses of water, please. Useful in restaurants or cafes.
Hoje é dia dezessete de junho.
Date example: Today is the seventeenth of June. When speaking dates, Portuguese commonly uses the ordinal-like form for clarity, but cardinals work too.
Common beginner mistakes and how to avoid them
Mistake 1: Mixing up cinquenta and cinco. At small numbers level this is less likely, but be careful with similar words like cinco (5) and cinquenta (50). For 1 to 20 focus on the short forms given above.
Mistake 2: Forgetting agreement with feminine nouns. Remember uma for feminine one. Example:
Uma cadeira (one chair, if cadeira is feminine), not um cadeira.
Mistake 3: Speedy pronunciation loses clarity. When giving phone numbers or prices, pronounce each digit clearly: oito not oytoo too fast.
Mistake 4: Using English number rhythm. Portuguese often stresses the first syllable differently; listening and repeating recorded native speech helps.
Short practice exercises for memorization
Exercise 1: Flashcards. Make physical or digital cards with the Portuguese word on one side and number on the other. Read aloud every day for 5 minutes.
Exercise 2: Number-labeling. Label items in your home with sticky notes: uma caneca, dois copos, três mesas, etc.
Exercise 3: Listening and transcription. Listen to short Brazilian Portuguese clips and write down any numbers you hear. Use simple children’s songs or language apps with Brazilian Portuguese voices.
Exercise 4: Speaking practice. Recite your phone number, your birth date, and your age using Portuguese numbers. Example: Tenho vinte e oito anos. (I am twenty-eight years old.)
Short dialogues using numbers 1 to 20
Dialogue 1 — At a café:
Cliente: Quanto custa um café?
Atendente: Cinco reais.
Cliente: Certo, eu quero dois, por favor.
Dialogue 2 — Scheduling:
Pessoa A: A reunião é às dez?
Pessoa B: Não, é às onze e meia.
Dialogue 3 — Counting seats:
Organizador: Precisamos de dez cadeiras.
Voluntário: Já trouxe sete, faltam três.
Useful tips to build faster recall
Tip 1: Group numbers into small chunks: 1-5, 6-10, 11-15, 16-20. Master each chunk before moving on.
Tip 2: Use rhythm and song. Many learners remember numbers quickly when set to a simple tune or chant.
Tip 3: Practice real-world tasks: read price tags on Brazilian websites, read bus timetables, or order in Brazilian Portuguese menus in apps.
Tip 4: Combine numbers with nouns you need daily: phone, address, age, time, and prices. That makes recall contextual and durable.
Mini cheat sheet for quick reference
1 um / 2 dois / 3 três / 4 quatro / 5 cinco
6 seis / 7 sete / 8 oito / 9 nove / 10 dez
11 onze / 12 doze / 13 treze / 14 catorze / 15 quinze
16 dezesseis / 17 dezessete / 18 dezoito / 19 dezenove / 20 vinte
Everyday situations where these numbers are essential
Ordering food and drinks: quantities and prices often use these numbers.
Appointments and schedules: times between 1 and 20 are common for meetings and classes.
Addresses and public transportation: bus numbers, platform numbers, and seat numbers are read digit by digit or as whole numbers.
Small talk: age, count of people, and small quantities in conversation.
Conclusion
Mastering Brazilian Portuguese numbers from 1 to 20 gives you immediate practical power to navigate everyday situations. Use short realistic phrases, practice with flashcards and dialogs, and pay attention to gender agreement for one. With consistent short practice you will quickly recognize, speak, and understand these numbers in real contexts.
