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Tens (Десетици)

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Grammar Rule in 30 Seconds

Bulgarian tens (10-90) end in '-десет' (deset), meaning 'ten', making them easy to memorize once you know the base digits.

  • 10 is 'десет' (deset).
  • For 20-90, add the digit prefix to '-десет': 'три' (3) + 'десет' = 'тридесет' (30).
  • Note the spelling change for 60 (шестдесет) and 70 (седемдесет).
Digit + десет = Tens (e.g., 4 + десет = четиридесет)

Meanings

The cardinal numbers representing multiples of ten from 10 to 90.

1

Counting

Used for counting objects or stating quantities.

“Имам десет ябълки.”

“Той е на петдесет години.”

Bulgarian Tens (10-90)

Number Bulgarian Pronunciation
10 десет deset
20 двадесет dvadeset
30 тридесет trideset
40 четиридесет chetirideset
50 петдесет petdeset
60 шестдесет shestdeset
70 седемдесет sedemdeset
80 осемдесет osemdeset
90 деветдесет devetdeset

Reference Table

Reference table for Tens (Десетици)
Form Structure Example
Affirmative Digit + десет Тридесет (30)
Question Колко + noun? Колко лева?
Quantity Number + Plural Noun Двадесет лева

Spectre de formalité

Formel
Притежавам тридесет лева.

Притежавам тридесет лева. (Money)

Neutre
Имам тридесет лева.

Имам тридесет лева. (Money)

Informel
Имам тридесет лева.

Имам тридесет лева. (Money)

Argot
Тридесетачка.

Тридесетачка. (Money)

The Tens Tree

десет

Tens

  • двадесет 20
  • тридесет 30
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Exemples par niveau

1

Това струва десет лева.

This costs ten leva.

2

Имам двадесет ябълки.

I have twenty apples.

3

Той е на тридесет години.

He is thirty years old.

4

Автобус четиридесет.

Bus forty.

1

Петдесет и пет лева.

Fifty-five leva.

2

Шестдесет минути са един час.

Sixty minutes are one hour.

3

Седемдесет души са тук.

Seventy people are here.

4

Осемдесет страници.

Eighty pages.

1

Деветдесет процента от хората.

Ninety percent of the people.

2

Трябва да чакам двадесет минути.

I have to wait twenty minutes.

3

Купих тридесет и две рози.

I bought thirty-two roses.

4

Той работи четиридесет часа.

He works forty hours.

1

Петдесет и осем служители присъстваха.

Fifty-eight employees attended.

2

Шестдесет и седем процента одобрение.

Sixty-seven percent approval.

3

Седемдесет и четири километра.

Seventy-four kilometers.

4

Осемдесет и девет страници доклад.

Eighty-nine page report.

1

Деветдесет и шест години история.

Ninety-six years of history.

2

Двадесет и четири карата злато.

Twenty-four karat gold.

3

Тридесет и осем градуса температура.

Thirty-eight degrees temperature.

4

Четиридесет и пет минути почивка.

Forty-five minutes break.

1

Петдесет и трима души подписаха.

Fifty-three people signed.

2

Шестдесет и девет процента ръст.

Sixty-nine percent growth.

3

Седемдесет и две хиляди лева.

Seventy-two thousand leva.

4

Осемдесет и пет годишен юбилей.

Eighty-five year anniversary.

Facile à confondre

Tens (Десетици) vs 10 vs 11-19

Learners try to use the '-десет' rule for 13-19.

Erreurs courantes

✗

три

✓

тридесет

Confusing the digit with the ten.
✗

двадесет ябълка

✓

двадесет ябълки

Using singular instead of plural.
✗

шест-десет

✓

шестдесет

Adding unnecessary hyphens.
✗

десетдесет

✓

сто

Trying to build 100 as 10-tens.

Structures de phrases

Имам ___ лева.

Real World Usage

Market constant

Петдесет стотинки.

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💡

Practice

Say numbers out loud while walking.

Smart Tips

Use your fingers to visualize sets of ten.

Trying to memorize by rote. → Visualizing 3 sets of 10 for 30.

Prononciation

DVA-deset

Stress

Stress is usually on the first part of the word.

Rising

Тридесет?

Asking for confirmation of a number.

Mémorise-le

Moyen mnémotechnique

Think of 'deset' as 'the set' of ten.

Association visuelle

Imagine a set of 10 fingers. For 30, imagine 3 sets of fingers.

Rhyme

Ten is deset, thirty is trideset.

Story

I went to the store with 20 leva. I bought 30 apples. Then I saw 40 birds.

Word Web

десетдвадесеттридесетчетиридесетпетдесет

Défi

Count from 10 to 90 out loud in 30 seconds.

Notes culturelles

Numbers are essential for bargaining in markets.

Derived from Proto-Slavic *desętь.

Amorces de conversation

“

На колко години си?

Sujets d'écriture

Write about your age and the age of your friends.
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Test Yourself

Fill in the blank.

20 is ___.

✓ Correct! ✗ Not quite. Correct answer: двадесет
20 is dva-deset.
Choose the correct number. Choix multiple

30?

✓ Correct! ✗ Not quite. Correct answer: тридесет
30 is tri-deset.
Fix the error. Error Correction

Find and fix the mistake:

тридесет ябълка

✓ Correct! ✗ Not quite. Correct answer: тридесет ябълки
Plural after number.
Change to plural. Sentence Transformation

Имам десет ябълка.

✓ Correct! ✗ Not quite. Correct answer: Имам десет ябълки.
Plural required.
Match. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: четиридесет
40 is chetiri-deset.
Select 50. Choix multiple

50?

✓ Correct! ✗ Not quite. Correct answer: петдесет
50 is pet-deset.
Fill in.

60 is ___.

✓ Correct! ✗ Not quite. Correct answer: шестдесет
60 is shest-deset.
Select 90. Choix multiple

90?

✓ Correct! ✗ Not quite. Correct answer: деветдесет
90 is devet-deset.

Score: /8

Exercices pratiques

8 exercises
Fill in the blank.

20 is ___.

✓ Correct! ✗ Not quite. Correct answer: двадесет
20 is dva-deset.
Choose the correct number. Choix multiple

30?

✓ Correct! ✗ Not quite. Correct answer: тридесет
30 is tri-deset.
Fix the error. Error Correction

Find and fix the mistake:

тридесет ябълка

✓ Correct! ✗ Not quite. Correct answer: тридесет ябълки
Plural after number.
Change to plural. Sentence Transformation

Имам десет ябълка.

✓ Correct! ✗ Not quite. Correct answer: Имам десет ябълки.
Plural required.
Match. Match Pairs

40

✓ Correct! ✗ Not quite. Correct answer: четиридесет
40 is chetiri-deset.
Select 50. Choix multiple

50?

✓ Correct! ✗ Not quite. Correct answer: петдесет
50 is pet-deset.
Fill in.

60 is ___.

✓ Correct! ✗ Not quite. Correct answer: шестдесет
60 is shest-deset.
Select 90. Choix multiple

90?

✓ Correct! ✗ Not quite. Correct answer: деветдесет
90 is devet-deset.

Score: /8

FAQ (8)

100 is 'сто'.

No, they are neutral.

Yes, for minutes.

It's 6 + 10.

It's standard in all registers.

Yes, with 'трима' for 20-90.

People won't understand you.

Yes, exactly like in English.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

Spanish moderate

veinte, treinta...

Bulgarian is more regular.

French moderate

vingt, trente...

Bulgarian is strictly base-10.

German moderate

zwanzig, dreißig...

Bulgarian uses '-десет'.

Japanese high

ni-juu, san-juu...

Bulgarian is a suffix, Japanese is a separate word.

Arabic low

ishrun, thalathun...

Bulgarian is simpler.

Chinese high

ershi, sanshi...

Bulgarian is a single word.

Learning Path

Prerequisites

Previous
Numbers 11-20 (Числа 11-20)
Next
Asking 'How many?' (Колко?)

Related Grammar Rules

A0

Numbers 1-10 (Числа 1-10)
A0

Numbers 11-20 (Числа 11-20)
A2

Ordinal Numbers (Редни числителни)
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