Numerals

Числівники

Why learn numerals early?

Ukrainian numerals — cardinal numbers like один, два, три — are short, frequent, and highly phonetic words that appear everywhere. You'll see them in basic counting, prices, dates, time expressions, and everyday interactions.

This makes them one of the most practical early topics to learn. They reinforce the alphabet you've just learned and offer a natural entry point into Ukrainian phonology: word stress, consonant clusters, and pattern-driven structures that show up throughout the language.

The basic cardinal numeral forms give you meaningful vocabulary you can start using right away while laying the groundwork for the more advanced parts of the numeral system, such as ordinal and collective numerals.

This primer gives you enough to count confidently, recognize the underlying patterns, and build a foundation that will make the more advanced numeral systems feel familiar when you reach them. The numeral system is regular and pattern-driven, like much of Ukrainian, so learning the core forms now makes later topics easier to absorb.

Two words for number

Before moving on to the numberals themselves, it will help to clarify a distinction Ukrainian makes that English doesn't.

Ukrainian uses two different words for "number": число and номер. Learning the difference now will prevent confusion later.

число (a quantity or amount)

Used when referring to a numerical value or count — how many?
Also used for dates and mathematical numbers.
Think of число as an abstract concept, it's the idea of the number itself.

example sentence
example sentence

номер (an identifier)

Used when a number labels or distinguishes something — which one?
Common with buildings, apartments, buses, flights, and train routes.
Think of номер as a tag that labels or distinguishes one item from another.

example sentence
example sentence

Summary here: So if the number quantifies something, use число; if it identifies something, use номер.

cardinal, ordinal, collective, fractional

There are four categories of numerals in Ukrainian. You don't need to learn all of them now, but knowing what each one does will help you understand how the system works as a whole.

Cardinal numerals - how many?

Basic counting numbers: one, two, three.
Express quantity.

Ordinal numerals — which one?

Closely tied to identifiers (номер).
Express order or position: first, second, third.

Collective numerals - how many as a group?

Refer to a group as a single unit: both, the two of them, the three of them, etc.
They don't replace cardinal numerals; they're used when the "groupness" matters.

Fractional numerals — how much of a whole?

Express parts of a whole: half, a third, three-quarters.
Useful later, but not needed for basic counting.

This primer focuses on cardinal numerals. The forms you learn here become the building blocks for ordinal and collective numerals later on, while also being extremely common and useful on their own.

cardinal numeral

Cardinal numerals are the basic counting numbers: one, two, three, and so on.

They answer the question "how many?" and express quantity.

These are the numerals you use for:

counting things
talking about amounts
giving prices, ages, and measurements
reading dates and times
anything involving a numerical value

Examples:

три яблука — three apples
двадцять один день — twenty-one days
сто гривень — one hundred hryvnias

Cardinal numerals are the foundation of the entire Ukrainian numeral system.

Every other type — ordinal, collective, fractional — is built from these same core forms. That's why this primer focuses on cardinals: once you know them well, the rest of the system becomes much easier to learn.

"denotes the quantity of objects that can be enumerated. they are used in counting and modify nouns that can be counted: один рік, два роки, сто днів, триста кілометрів"

some decline like adjectives, others like nouns
"cardinal numerals behave partly like adjectives and partly like nouns. some decline, some don't, and some trigger special agreement patterns".

CORE NUMERALS 1-10 (do I want to make these their own section? or put them into the code block thing like i did the alphabet?)

0 – нуль
1 –

один
одна
одне
одні

"agrees in gender/number like an adjective"

behaves like an adjective

2 – два, дві

two has gender forms

one and two have gender

"the numeral one stands out from the rest of the numerals by the fact that, similar to adjectives, it has three gender forms. also like adjectives, this numeral agrees in gender with the noun it describes"

Example:

один (one), другий (second)
У студента вже є одна книга, і тепер він бере другу. The student already has one book, and now he is taking a second.

3 - три
4 - чотири
5 - п'ять
6 - шість
7 - сім
8 - вісім
9 - дев'ять
10 - десять

using patterns to count higher:

TEENS = base number + -надцять

base forms may shorten slightly (like 14)

11-19 + -надцять
20, 30 + -дцять
50-80 + -десят

11 - один**а**дцять
12 - дван**а**дцять
13 - трин**а**дцять
14 - чотирн**а**дцять
15 - п'ятн**а**дцять
16 - шістн**а**дцять
17 - сімн**а**дцять
18 - вісімн**а**дцять
19 - дев'ятн**а**дцять

20 - дв**а**дцять
30 - тр**и**дцять
40 - с**о**рок
50 - п'ятдес**я**т
60 - шістдес**я**т
70 - сімдес**я**т
80 - вісімдес**я**т
90 - дев'ян**о**сто

20 and 30 use same ending
50-80 use base number + -десят
40 and 90 standalone forms that need to be memorized separately

compound numbers:

just place tens + units with a space:

двадцять три (23)
п'ятдесят сім (57)

100 - сто
200 - дв**і**сті
300 - тр**и**ста
400 - чот**и**риста
500 - п'ятс**о**т
600 - ш**і**стсот
700 - с**і**мсот
800 - в**і**сімсот
900 - дев'ятс**о**т

200-400 use base numeral + -ста / -сот
500-900 use base numeral + -сот with the base sometimes shortened
stress is stable and worth learning early because it doesn't shift when you add tens or units

will you use the hundreds as often? no, but they reinforce the idea that Ukrainian numerals are built from a small set of recurring stems. so just focus on primarily up to 100 and just keep these in the back of mind

combining hundreds with tens and units:
hundred + tens + units (no conjunctions, no linking words)

125 = сто двадцять п'ять
342 = триста сорок два
587 = п'ятсот вісімдесят сім
909 = дев'ятсот дев'ять

1,000 - т**и**сяча
1,000,000 - мільй**о**н
1,000,000,000 - міль**я**рд

ukrainian builds large numbers by stacking units: thousands -> hundreds -> tens -> ones

ex: 1,234 = одна тисяча двісті тридцять чотири

numbers affect the noun after them

1 -> noun in nominative singular
2-4 -> noun in nominative plural
5+ -> noun in genitive plural

briefly explain why, but nothing too crazy

examples:

один студент
три студенти
п'ять студентів