A0 Numbers 1 min read 쉬움

Grammar Rule in 30 Seconds

Khmer numbers follow a strict base-10 structure: place the multiplier before the unit for tens and hundreds.

  • Tens (10-90) use the pattern: [Number] + 'dop' (10). Example: 20 is 'pi dop'.
  • Hundreds (100-900) use the pattern: [Number] + 'roy' (100). Example: 300 is 'bei roy'.
  • Combine them by adding the smaller unit after the larger. Example: 125 is 'muoy roy dop pram'.
Number + (dop/roy) + (optional remainder)

Khmer Tens and Hundreds Formation

Number Khmer Multiplier Result
10
ដប់
N/A
ដប់
20
ម្ភៃ
N/A
ម្ភៃ
30
សាម
ដប់
សាមសិប
100
មួយ
រយ
មួយរយ
200
ពីរ
រយ
ពីររយ
300
បី
រយ
បីរយ

Meanings

The system for expressing multiples of ten and one hundred in Khmer.

1

Tens (10-90)

Multiples of ten using the suffix 'dop'.

“ដប់ (10)”

“ម្ភៃ (20)”

2

Hundreds (100-900)

Multiples of one hundred using the suffix 'roy'.

“មួយរយ (100)”

“ពីររយ (200)”

Reference Table

Reference table for Tens and Hundreds
Form Structure Example
Tens
Digit + dop
40 = buon dop
Hundreds
Digit + roy
500 = pram roy
Combined
Hundreds + Tens + Units
125 = muoy roy mphey pram
Exception
20
mphey
Exception
100
muoy roy

격식 수준 스펙트럼

격식체
តម្លៃគឺពីររយ។

តម្លៃគឺពីររយ។ (Shopping)

중립
តម្លៃពីររយ។

តម្លៃពីររយ។ (Shopping)

비격식체
ពីររយ។

ពីររយ។ (Shopping)

속어
ពីររយហ្នឹង។

ពីររយហ្នឹង។ (Shopping)

Khmer Number Building

Base-10

Tens

  • ដប់ 10

Hundreds

  • រយ 100

수준별 예문

1

ដប់

10

2

ម្ភៃ

20

3

មួយរយ

100

4

ពីររយ

200

1

សាមសិប

30

2

បួនរយ

400

3

មួយរយដប់

110

4

ពីររយម្ភៃ

220

1

ប្រាំរយហាសិប

550

2

ប្រាំបួនរយ

900

3

បីរយសាមសិបប្រាំ

335

4

ប្រាំមួយរយ

600

1

តម្លៃគឺប្រាំពីររយដប់រៀល។

The price is 710 Riel.

2

ខ្ញុំមានលុយប្រាំបីរយ។

I have 800 Riel.

3

ចម្ងាយគឺប្រាំបួនរយម៉ែត្រ។

The distance is 900 meters.

4

សូមឱ្យខ្ញុំមួយរយម្ភៃ។

Please give me 120.

1

សរុបគឺប្រាំមួយរយសាមសិប។

The total is 630.

2

វាចំណាយប្រាំរយដប់ប្រាំ។

It costs 515.

3

ខ្ញុំត្រូវការពីររយសាមសិប។

I need 230.

4

ចំនួននេះគឺប្រាំបីរយហាសិប។

This amount is 850.

1

តម្លៃសរុបគឺប្រាំបួនរយហាសិបប្រាំ។

The total price is 955.

2

សូមបង់ប្រាក់ចំនួនបីរយម្ភៃ។

Please pay the amount of 320.

3

យើងមានប្រាំមួយរយសាមសិបប្រាំ។

We have 635.

4

តើអ្នកមានប្រាំពីររយដប់ប្រាំមែនទេ?

Do you have 715?

혼동하기 쉬운

Tens and Hundreds 10 vs 100

Learners often swap 'dop' and 'roy'.

Tens and Hundreds 20 vs 200

Learners forget the special word for 20.

Tens and Hundreds 100 vs 1

Learners forget 'muoy' for 100.

자주 하는 실수

ដប់មួយ

ដប់មួយ

Actually, 11 is 'dop muoy'.

ពីរដប់

ម្ភៃ

20 is irregular.

រយ

មួយរយ

Always include 'muoy' for 100.

ដប់បី

ដប់បី

13 is 'dop bei'.

ដប់បួន

ដប់បួន

14 is 'dop buon'.

បីរយដប់ប្រាំមួយ

បីរយដប់ប្រាំមួយ

Correct order is hundreds-tens-units.

បួនរយដប់

បួនរយដប់

410 is 'buon roy dop'.

ប្រាំរយម្ភៃ

ប្រាំរយម្ភៃ

520 is 'pram roy mphey'.

ប្រាំមួយរយ

ប្រាំមួយរយ

600 is 'pram muoy roy'.

ប្រាំពីររយ

ប្រាំពីររយ

700 is 'pram pi roy'.

ប្រាំបីរយ

ប្រាំបីរយ

800 is 'pram bei roy'.

ប្រាំបួនរយ

ប្រាំបួនរយ

900 is 'pram buon roy'.

문장 패턴

តម្លៃគឺ ___ រៀល។

ខ្ញុំមាន ___ ។

តើវាចំណាយ ___ មែនទេ?

ចម្ងាយគឺ ___ ម៉ែត្រ។

Real World Usage

Market shopping constant

តម្លៃពីររយ។

Taxi fare very common

ប្រាំរយរៀល។

Food delivery common

មួយរយដប់។

Bank transaction common

ប្រាំបួនរយ។

Directions occasional

បីរយម៉ែត្រ។

Social media price tags very common

តម្លៃ ៥០០។

💡

Practice aloud

Say the numbers out loud to build muscle memory.
⚠️

Watch for 20

Don't say 'pi dop', say 'mphey'.
🎯

Combine slowly

Break down large numbers into hundreds, then tens, then units.
💬

Market talk

In markets, people often drop 'riel' and just say the number.

Smart Tips

Always remember 20 is the only irregular ten.

pi dop mphey

Always include 'muoy' for 100.

roy muoy roy

Follow the order: Hundreds -> Tens -> Units.

dop muoy roy muoy roy dop

Focus on the multiplier (dop/roy) to be understood.

pram... (pause)... roy pram-roy

발음

/dɔp/

Dop

Pronounced like 'dohp' with a short vowel.

/roːj/

Roy

Pronounced like 'roy' in English.

Rising

ដប់? ↑

Asking for confirmation of a price.

암기하기

기억법

Think of 'Dop' as a 'Drop' of ten, and 'Roy' as a 'Row' of one hundred.

시각적 연상

Imagine a stack of 10 coins (Dop) and a large box containing 100 coins (Roy).

Rhyme

Dop is ten, Roy is hundred, counting Khmer is never blundered.

Story

You walk into a market. You hold 10 fingers (Dop). You see a shelf with 100 items (Roy). You buy 20 (Mphey) items and pay 200 (Pi Roy) Riel.

Word Web

ដប់ម្ភៃសាមសិបមួយរយពីររយរយ

챌린지

Count your steps from 100 to 200 in Khmer while walking.

문화 노트

Vendors often use shorthand. They might just say the number if the currency is understood.

Khmer numbers are derived from ancient Indic systems, specifically Sanskrit influences.

대화 시작하기

តើនេះតម្លៃប៉ុន្មាន?

អ្នកមានប៉ុន្មាន?

តើចម្ងាយពីនេះទៅទីនោះប៉ុន្មាន?

តើអ្នកអាចរាប់ដល់ប្រាំបួនរយបានទេ?

일기 주제

Write about your shopping trip.
Describe the prices of items in a market.
Explain a budget using numbers.
Discuss the cost of living.

자주 하는 실수

Incorrect

정답


Incorrect

정답


Incorrect

정답


Incorrect

정답

Test Yourself

Translate 20.

The word for 20 is ___.

✓ Correct! ✗ Not quite. Correct answer: ម្ភៃ
20 is the irregular 'mphey'.
Which is 100? 객관식

How do you say 100?

✓ Correct! ✗ Not quite. Correct answer: មួយរយ
100 is 'muoy roy'.
Fix the error. Error Correction

Find and fix the mistake:

Is 'ពីរដប់' correct for 20?

✓ Correct! ✗ Not quite. Correct answer: No
20 is 'mphey'.
Convert 300 to Khmer. Sentence Transformation

300 = ___

✓ Correct! ✗ Not quite. Correct answer: បីរយ
300 is 'bei roy'.
Match the number. Match Pairs

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

✓ Correct! ✗ Not quite. Correct answer: បួនដប់
40 is 'buon dop'.
Complete the dialogue. Dialogue Completion

Vendor: 'Price is 500.' You: '___'

✓ Correct! ✗ Not quite. Correct answer: ប្រាំរយ
500 is 'pram roy'.
Build 120. Sentence Building

120 = ___

✓ Correct! ✗ Not quite. Correct answer: មួយរយម្ភៃ
120 is 'muoy roy mphey'.
Is the rule correct? True False Rule

Is 100 'roy'?

✓ Correct! ✗ Not quite. Correct answer: False
It must be 'muoy roy'.

Score: /8

연습 문제

8 exercises
Translate 20.

The word for 20 is ___.

✓ Correct! ✗ Not quite. Correct answer: ម្ភៃ
20 is the irregular 'mphey'.
Which is 100? 객관식

How do you say 100?

✓ Correct! ✗ Not quite. Correct answer: មួយរយ
100 is 'muoy roy'.
Fix the error. Error Correction

Find and fix the mistake:

Is 'ពីរដប់' correct for 20?

✓ Correct! ✗ Not quite. Correct answer: No
20 is 'mphey'.
Convert 300 to Khmer. Sentence Transformation

300 = ___

✓ Correct! ✗ Not quite. Correct answer: បីរយ
300 is 'bei roy'.
Match the number. Match Pairs

Match 40.

✓ Correct! ✗ Not quite. Correct answer: បួនដប់
40 is 'buon dop'.
Complete the dialogue. Dialogue Completion

Vendor: 'Price is 500.' You: '___'

✓ Correct! ✗ Not quite. Correct answer: ប្រាំរយ
500 is 'pram roy'.
Build 120. Sentence Building

120 = ___

✓ Correct! ✗ Not quite. Correct answer: មួយរយម្ភៃ
120 is 'muoy roy mphey'.
Is the rule correct? True False Rule

Is 100 'roy'?

✓ Correct! ✗ Not quite. Correct answer: False
It must be 'muoy roy'.

Score: /8

자주 묻는 질문 (8)

It is an irregular form, likely due to historical phonetic evolution.

Yes, it is standard to say 'muoy roy'.

Yes, these are the standard numbers for currency.

1000 is 'muoy poan'.

No, Khmer numbers do not have gender.

Use 'dop' + unit (e.g., 'dop muoy' for 11).

Yes, but the base-10 structure remains the same.

In casual speech, 'muoy' might be dropped, but it's better to include it.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

English moderate

Ten/Hundred

Khmer is additive; English is not.

Japanese high

Juu/Hyaku

Phonetic structure differs.

Chinese high

Shi/Bai

Khmer uses suffixes; Chinese uses prefixes.

French low

Dix/Cent

Khmer is strictly decimal.

Spanish low

Diez/Cien

Khmer is consistent.

Arabic moderate

Ashara/Mi'a

Khmer has no gender agreement.

Learning Path

Prerequisites

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