ELONIO

Numbers 11 to 20 (on bir, on iki)

In Turkish, counting from 11 to 19 is straightforward. Simply take the word for ten (on) and add the single digit right after it, written as two separate words.

For example, 11 is literally "ten one" (on bir), and 12 is "ten two" (on iki).

NumberTurkish
11on bir
12on iki
13on üç
14on dört
15on beş
16on altı
17on yedi
18on sekiz
19on dokuz

Remember: nouns following a number are always singular.

Eleven children are happy.
On bir çocuk mutlu.
Twelve doctors are ready now.
Şimdi on iki doktor hazır.
These thirteen books are new.
Bu on üç kitap yeni.
Fourteen women are very tired.
On dört kadın çok yorgun.
Those fifteen cats are hungry.
Şu on beş kedi aç.
Seventeen houses are very expensive.
On yedi ev çok pahalı.

The word for twenty is yirmi. It follows the exact same grammatical rules:

We are twenty friends.
Biz yirmi arkadaşız.
Twenty doors are closed.
Yirmi kapı kapalı.
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