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A1 noun #2,000 mais comum 9 min de leitura

عدد

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Pratique Exemplos Notas e dicas عدد em 30 segundos

Explicação عدد in your Level:

At the A1 level, 'Adad' is one of the first abstract nouns a student learns. It is the gateway to basic communication, such as telling one's age, buying groceries, or asking for the time. At this stage, learners focus on the literal meaning: 'number'. They learn to associate the word 'adad' with the Persian digits (۱, ۲, ۳...). The focus is on simple sentence structures like 'In che adadi ast?' (What number is this?). Students are introduced to the concept that numbers are essential for daily survival in a Persian-speaking country. They learn that 'adad' is a noun and that it is used to identify the symbols they see on price tags or clocks. The primary goal at A1 is to recognize the word in speech and writing and to use it to ask for basic information. Learners also begin to see 'adad' used as a classifier in very simple shopping scenarios, though they usually stick to 'ta' for simplicity. The explanation at this level is kept simple: 'Adad' means 'number'. It is what you use to count. You will see it in your math book and on your phone screen. It is a very common and important word that you will use every single day.

At the A2 level, the learner's understanding of 'Adad' expands to include more practical applications. They begin to distinguish between 'adad' (the number) and 'shomareh' (the identification number), which is a crucial step in moving beyond basic fluency. A2 students learn to use 'adad' in more complex sentences, such as 'Yek adad ra entekhab kon' (Choose a number). They also start to encounter the plural form 'adaad' in simple contexts, like 'adaad-e farsi' (Persian numbers). At this stage, the learner is expected to understand that 'adad' can be used as a formal classifier for objects, especially in written lists or formal instructions. They also learn basic mathematical terms involving 'adad', such as 'jam-e adaad' (addition of numbers). The A2 explanation emphasizes the versatility of the word and its role in organizing information. Learners are encouraged to use 'adad' when they want to sound more precise or formal than when using the informal 'ta'. They also begin to learn that in Persian, the number always comes before the noun, and the noun stays singular, a rule that 'adad' helps reinforce through practice.

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At the B1 level, 'Adad' moves into the realm of intermediate communication and functional literacy. Learners are now expected to use 'adad' to discuss statistics, simple percentages, and more abstract mathematical concepts. They encounter 'adad' in news reports and articles about the economy or social trends. For example, they might read about 'adaad-e neshan-dahandeh-ye tavarrom' (numbers indicating inflation). The B1 learner understands the difference between 'adad' and 'raqam' (digit) and can use them correctly in a sentence. They also begin to learn common phrases and collocations, such as 'adad-e ghabele tavajjoh' (a significant number). The explanation at this level focuses on the word's role in conveying factual information and data. Students are taught to use 'adad' when discussing quantities in a professional or academic setting. They also explore the use of 'adad' in more complex grammatical structures, such as using it as a subject or object in passive sentences. B1 learners are expected to be comfortable with the plural 'adaad' and to recognize it in various literary and journalistic contexts.

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At the B2 level, the learner explores the nuanced and specialized uses of 'Adad'. They encounter the word in academic texts, technical manuals, and sophisticated literature. The B2 learner understands that 'adad' can have metaphorical meanings, such as representing order, logic, or even destiny in certain poetic contexts. They learn specialized mathematical terms like 'adaad-e gooya' (rational numbers) and 'adaad-e mokhalat' (complex numbers). At this stage, the learner is also introduced to the 'Abjad' system, where 'adad' plays a role in traditional Persian numerology and cryptography. The B2 explanation delves into the cultural and historical significance of numbers in Persian civilization, from the contributions of Al-Khwarizmi to modern scientific achievements. Learners are expected to use 'adad' with high precision, choosing it over 'shomareh' or 'ta'dad' based on the specific register and context of the conversation. They also learn to use 'adad' in idiomatic expressions and more complex rhetorical devices. The focus is on achieving a native-like grasp of when 'adad' is the most appropriate choice for conveying a specific quantitative or qualitative meaning.

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At the C1 level, 'Adad' is analyzed through the lens of advanced linguistics and stylistic variation. The learner examines how the word is used in classical Persian literature versus modern technical prose. They study the subtle shifts in meaning when 'adad' is used in different registers, such as the legal, medical, or philosophical fields. C1 students explore the etymology of the word in depth, looking at its Arabic roots and its integration into the Persian lexicon over a millennium. They are capable of discussing complex theories involving numbers, such as 'nazarieh-ye adaad' (number theory), and can write detailed reports using 'adad' to present and analyze data. The explanation at this level is highly academic, focusing on the word's function as a conceptual tool for organizing thought and reality. Learners also master the use of 'adad' in high-level idioms and proverbs, understanding the cultural baggage that certain numbers carry. They are expected to have a complete command of the word's collocations and to be able to use it fluently in any professional or academic environment, demonstrating a deep understanding of its logical and symbolic nuances.

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At the C2 level, the learner's mastery of 'Adad' is indistinguishable from that of an educated native speaker. They can appreciate the word's use in the most complex philosophical treatises and the most avant-garde poetry. At this stage, 'adad' is not just a word for a number; it is a fundamental category of existence. The C2 learner can discuss the ontological status of numbers in Persian philosophy, comparing the views of Avicenna or Suhrawardi on the nature of 'adad'. They can analyze the rhythmic and numerical structures of Persian verse (Aruz), where 'adad' determines the meter and flow of the poem. The C2 explanation is exhaustive, covering every possible use, from the most mundane to the most sublime. The learner is expected to use 'adad' with perfect precision and to be able to explain its nuances to others. They can navigate the most technical scientific papers and the most dense historical texts with ease, recognizing the role of 'adad' in shaping Persian intellectual history. At this level, the word is a gateway to the deepest levels of Persian culture, science, and art, representing the perfect synthesis of logic and beauty.

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عدد em 30 segundos

Adad means 'number' or 'digit' in Persian.
It is used for counting and in mathematical contexts.
The plural form is 'adaad', which is a broken plural.
It is different from 'shomareh', which is used for IDs like phone numbers.

The Persian word عدد (Adad) is a cornerstone of the language, representing the abstract concept of a 'number' or 'digit'. Derived from the Arabic root 'A-D-D' (ع-د-د), which pertains to counting and reckoning, it has become the standard term in Modern Persian for any numerical value. Whether you are counting apples in a bazaar or solving complex algebraic equations in a Tehran university, عدد is the word you will use. It encompasses everything from the basic integers used by children to the complex, irrational numbers studied by mathematicians.

Linguistic Classification: As a noun, 'عدد' functions as the head of numerical phrases. Interestingly, in Persian, when a number precedes a noun, the noun remains in the singular form (e.g., 'panj sib' - five apple), but the word 'عدد' itself can be pluralized to 'اعداد' (adaad) when referring to 'numbers' as a collective set or category.

این عدد شانس من است.

Translation: This number is my luck (This is my lucky number).

Beyond its literal meaning, 'عدد' carries weight in various specialized fields. In computer science, it refers to numerical data types; in literature, it can symbolize order and the divine structure of the universe. The word is so pervasive that it forms the basis for many other terms, such as 'adadi' (numerical) and 'ta'dad' (quantity/count). Understanding 'عدد' is not just about math; it is about understanding how Persian speakers quantify their reality.

Mathematical Context: In a classroom setting, you will hear 'عدد صحیح' (integer), 'عدد اول' (prime number), and 'عدد مخلوط' (mixed number). The word serves as the prefix for almost every numerical classification, making it indispensable for academic success in Iran or Tajikistan.

مجموع این دو عدد ده می‌شود.

Symbolic Significance: In Persian poetry and mysticism (Sufism), certain numbers hold deep symbolic meaning. The 'عدد' seven, for instance, represents the seven stages of the heart or the seven heavens. Thus, the word often transcends its mathematical boundaries into the realm of the spiritual.

هر عدد در این جدول معنایی دارد.

یک عدد صندلی در اتاق است.

To master 'عدد' is to master the logic of the Persian mind. It is a word that bridges the gap between the ancient counting houses of the Silk Road and the modern digital age of Tehran's tech scene. Whether you are dealing with 'adaad-e farsi' (Persian numerals) or 'adaad-e latin' (Latin numerals), this word remains your primary tool for quantification.

Using the word عدد correctly requires an understanding of Persian syntax and counting conventions. Unlike English, where 'number' is often omitted when counting (e.g., 'I have five'), Persian sometimes uses 'عدد' as a counter or classifier to add specificity or formality to the sentence. However, its primary use remains as the noun for 'number' itself.

Grammar Rule: The Singular Noun: One of the most important rules in Persian is that nouns following a number (adad) must be in the singular form. For example, 'panj (5) + sib (apple)' is 'panj sib', not 'panj sib-ha'. The word 'عدد' follows this logic when used in phrases like 'chand عدد' (how many/several numbers).

لطفاً یک عدد بین یک تا ده انتخاب کنید.

Translation: Please choose a number between one and ten.

When 'عدد' is used as a classifier, it often appears between the number and the object. For instance, 'do adad sandali' (two [units of] chairs). This is more common in formal or inventory contexts. In daily speech, 'ta' is the more common classifier (e.g., 'do ta sandali'). Using 'عدد' in this way marks your speech as precise and professional.

Pluralization: اعداد (Adaad): The broken plural of 'عدد' is 'اعداد'. You use this when talking about numbers in general, such as 'اعداد فرد' (odd numbers) or 'اعداد زوج' (even numbers). You would never say 'adad-ha' in standard Persian; 'adaad' is the universally accepted plural form.

او اعداد را خیلی سریع جمع می‌زند.

Formal vs. Informal: In formal Persian (Ketabi), 'عدد' is used frequently in reports and news. In informal Persian (Mohaverei), people might use 'shomareh' or just the number itself, but 'عدد' remains the only choice for mathematical discussions.

این عدد نشان‌دهنده تورم است.

بزرگترین عدد دنیا چیست؟

In summary, use 'عدد' when you mean 'a number' as a mathematical entity, use 'اعداد' for the plural, and remember to keep the following noun singular. Avoid using it for phone numbers or house numbers where 'shomareh' is the standard.

The word عدد is ubiquitous in Iranian society, echoing through the halls of schools, the bustling aisles of supermarkets, and the digital screens of financial apps. Because numbers are the language of trade and science, you will encounter this word daily if you live or work in a Persian-speaking environment.

In the Classroom: From the first grade, students are taught 'counting numbers' (اعداد شمارشی). A teacher might say, 'In adad ra ruye takhteh benevis' (Write this number on the board). It is the primary vocabulary for arithmetic, geometry, and physics.

معلم گفت: «این عدد را بخوان.»

Translation: The teacher said, "Read this number."

In the financial world, 'عدد' is used to discuss exchange rates, stock prices, and inflation. News anchors on IRIB or BBC Persian often refer to 'adaad-o argham' (numbers and figures) when analyzing the national budget or the price of gold. It conveys a sense of hard data and factual reality.

At the Market: While 'ta' is common for counting fruit, a shopkeeper might use 'عدد' for larger items or in a more formal transaction. For example, 'Dah adad kolah' (Ten [units of] hats). It sounds more official and is often seen on receipts (resid).

قیمت‌ها با این عدد شروع می‌شوند.

On Television and Radio: Game shows often use 'عدد' when asking contestants to pick a door or a prize. 'Adad-e shans' (lucky number) is a common phrase used in entertainment contexts to build suspense.

یک عدد تصادفی انتخاب کن.

این عدد در ریاضیات بسیار مهم است.

Whether you are listening to a podcast about science or ordering items from an online store like Digikala, 'عدد' is the word that provides the quantitative framework for the conversation. It is a neutral, versatile, and essential term for any learner.

Even though عدد is a basic word, its usage can be tricky for English speakers due to differences in how Persian handles numbers and classifiers. Avoiding these common pitfalls will make your Persian sound much more natural and accurate.

Mistake 1: Confusing 'Adad' with 'Shomareh': This is the most frequent error. 'Adad' is a mathematical value (e.g., 5, 100, 3.14). 'Shomareh' is a number used for identification or in a sequence (e.g., phone number, house number, jersey number). Saying 'Adad-e telephon' is incorrect; it must be 'Shomareh-ye telephon'.

اشتباه: عدد خانه من ۵ است. (درست: شماره خانه...)

Translation: Mistake: My house 'adad' is 5. (Correct: My house 'shomareh' is 5).

Another common error involves pluralization. In English, we say 'many numbers'. In Persian, you must use the broken plural 'اعداد' (adaad) rather than 'adad-ha'. While 'adad-ha' might be understood, it sounds childish or uneducated to a native speaker.

Mistake 2: Pluralizing the Noun After 'Adad': As mentioned before, Persian nouns stay singular after a number. If you say 'panj adad sib-ha' (five [units of] apples), it is grammatically redundant and incorrect. It should be 'panj adad sib'.

او اعداد را با هم اشتباه گرفت.

Mistake 3: Overusing 'Adad' as a Classifier: In casual conversation, using 'adad' as a classifier (e.g., 'yek adad sandwich') can sound overly formal or like you're reading from a menu. In a restaurant, just say 'ye duneh' or 'ye ta'. Save 'adad' for formal writing or when you want to be extremely precise.

این عدد را با حروف بنویس.

هیچ عددی بزرگتر از بی‌نهایت نیست.

By keeping these distinctions in mind—especially the difference between 'adad' and 'shomareh'—you will avoid the most common 'foreign' sounding mistakes and communicate more effectively in Persian.

While عدد is the general word for 'number', Persian has several other words that describe quantities, digits, and sequences. Knowing the nuances between these synonyms will elevate your vocabulary from basic to advanced.

رقم (Raqam) vs. عدد (Adad): 'Raqam' specifically means 'digit' or 'figure'. The number 521 is one 'adad' but it consists of three 'raqams' (5, 2, and 1). In financial contexts, 'argham' (plural of raqam) is often used to mean 'figures' or 'statistics'.

این عدد سه رقم دارد.

Translation: This number has three digits.

Another close relative is 'shomareh'. As discussed, 'shomareh' is for sequences. Think of 'adad' as 'how much' and 'shomareh' as 'which one'. Your room number in a hotel is a 'shomareh', but the number of rooms in the hotel is an 'adad'.

تعداد (Ta'dad) vs. عدد (Adad): 'Ta'dad' means 'quantity' or 'count'. You use it to ask 'What is the number of students?' (Ta'dad-e daneshjouyan chand ast?). While 'adad' is the number itself, 'ta'dad' is the concept of how many there are.

عدد و مقدار با هم تفاوت دارند.

آمار (Amar) vs. عدد (Adad): 'Amar' means 'statistics'. While statistics are made of 'adaad' (numbers), 'amar' refers to the data set or the science of collecting it. If you are looking at a chart, you are looking at 'amar'.

او به اعداد و آمار علاقه دارد.

یک عدد صحیح انتخاب کن.

Understanding these distinctions—'adad' for the value, 'raqam' for the digit, 'shomareh' for the ID, and 'ta'dad' for the quantity—will give you a precise and sophisticated command of Persian numeracy.

How Formal Is It?

Nível de dificuldade

Gramática essencial

Numerical classifiers

Singular nouns after numbers

Broken plurals

Ezāfe construction

Indefinite 'i'

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Exemplos por nível

این عدد یک است.

This number is one.

Simple 'is' sentence with 'adad'.

یک عدد سیب می‌خواهم.

I want one (unit of) apple.

Using 'adad' as a formal classifier.

عدد شانس تو چیست؟

What is your lucky number?

Possessive 'your' with 'adad'.

او عدد پنج را نوشت.

He wrote the number five.

Simple past tense.

این عدد بزرگ است.

This number is big.

Adjective following the noun.

من اعداد را بلدم.

I know the numbers.

Plural form 'adaad'.

یک عدد صندلی اینجا هست.

There is one chair here.

Existential 'hast' with 'adad'.

کدام عدد را دوست داری؟

Which number do you like?

Interrogative 'kodam'.

لطفاً یک عدد بین ۱ تا ۱۰ انتخاب کنید.

Please choose a number between 1 and 10.

Imperative mood.

او اعداد را به ترتیب شمرد.

He counted the numbers in order.

Adverbial phrase 'be tartib'.

این عدد در لیست نیست.

This number is not in the list.

Negative 'nist'.

مجموع این دو عدد ده می‌شود.

The sum of these two numbers is ten.

Compound verb 'mishavad'.

او یک عدد ساعت خرید.

He bought one watch.

Classifier usage in past tense.

اعداد فارسی زیبا هستند.

Persian numbers are beautiful.

Plural subject-verb agreement.

این عدد را به حروف بنویس.

Write this number in words.

Preposition 'be'.

او هیچ عددی را فراموش نکرد.

He didn't forget any number.

Negative 'hich' with 'i' of indefiniteness.

تعداد شرکت‌کنندگان به عدد صد رسید.

The number of participants reached one hundred.

Prepositional phrase 'be adad-e'.

این عدد نشان‌دهنده رشد اقتصادی است.

This number indicates economic growth.

Present participle 'neshan-dahandeh'.

او اعداد فرد را ترجیح می‌دهد.

He prefers odd numbers.

Adjective 'fard' (odd).

باید این عدد را در دو ضرب کنی.

You must multiply this number by two.

Modal 'bayad' with subjunctive.

اعداد منفی در این محاسبات مهم هستند.

Negative numbers are important in these calculations.

Adjective 'manfi' (negative).

او یک عدد آپارتمان در تهران دارد.

He owns one apartment in Tehran.

Formal classifier for property.

این عدد با پیش‌بینی‌ها مطابقت ندارد.

This number does not match the predictions.

Verb 'motabeghat dashtan'.

اعداد گویای واقعیت هستند.

Numbers speak the truth.

Metaphorical usage.

او در ریاضیات، به نظریه اعداد علاقه دارد.

In mathematics, he is interested in number theory.

Specialized term 'nazarieh-ye adaad'.

این عدد اعشاری را گرد کنید.

Round this decimal number.

Adjective 'ashari' (decimal).

اعداد مختلط در مهندسی کاربرد دارند.

Complex numbers are used in engineering.

Specialized term 'adaad-e mokhalat'.

او توانست عدد اول بزرگی را کشف کند.

He was able to discover a large prime number.

Specialized term 'adad-e avval'.

این عدد نماد کمال در ادبیات ماست.

This number is a symbol of perfection in our literature.

Abstract noun 'namad'.

او اعداد را با دقت تجزیه و تحلیل کرد.

He analyzed the numbers with precision.

Compound verb 'tajzieh va tahlil kardan'.

مقدار و عدد در این فرمول متفاوت‌اند.

Amount and number are different in this formula.

Contrast between 'meghdar' and 'adad'.

او یک عدد سکه قدیمی پیدا کرد.

He found one ancient coin.

Classifier for rare items.

در این مقاله، عدد به عنوان یک مفهوم انتزاعی بررسی شده است.

In this article, number is examined as an abstract concept.

Passive voice 'barresi shodeh ast'.

اعداد نجومی در محاسبات کیهانی به کار می‌روند.

Astronomical numbers are used in cosmic calculations.

Idiomatic 'adaad-e nojoumi'.

او به بررسی ارزش عددی حروف در سیستم ابجد پرداخت.

He engaged in examining the numerical value of letters in the Abjad system.

Compound verb 'pardakhtan be'.

این عدد، حد نهایی توانایی‌های ما را نشان می‌دهد.

This number shows the ultimate limit of our abilities.

Noun phrase 'had-e nahayi'.

تفسیر این عدد نیاز به دانش تخصصی دارد.

Interpreting this number requires specialized knowledge.

Gerund 'tafsir'.

اعداد در اشعار حافظ نقش نمادین ایفا می‌کنند.

Numbers play a symbolic role in Hafez's poems.

Verb 'naghsh ifa kardan'.

او بین عدد و معدود تمایز قائل شد.

He distinguished between the number and the thing numbered.

Grammatical terms 'adad' and 'ma'doud'.

این عدد حاصل ضرب چندین متغیر است.

This number is the product of several variables.

Noun 'hasel-e zarb'.

هستی‌شناسی عدد یکی از مباحث پیچیده در فلسفه ریاضیات است.

The ontology of number is one of the complex topics in the philosophy of mathematics.

Philosophical term 'hasti-shenasi'.

او به تبیین جایگاه عدد در حکمت متعالیه پرداخت.

He proceeded to explain the position of number in Transcendent Theosophy.

Academic verb 'tabyin'.

تقلیل مفاهیم به عدد، می‌تواند منجر به از دست رفتن معنا شود.

Reducing concepts to numbers can lead to the loss of meaning.

Gerund 'taghlil'.

در این منظومه، هر عدد بازتابی از یک حقیقت کیهانی است.

In this poetic cycle, every number is a reflection of a cosmic truth.

Metaphorical 'baztab'.

او با استفاده از اعداد صمیمی، به حل مسئله پرداخت.

He proceeded to solve the problem using amicable numbers.

Specialized term 'adaad-e samimi'.

ساختار عددی این بنا، نشان‌دهنده دانش عمیق معماران آن است.

The numerical structure of this building indicates the deep knowledge of its architects.

Adjective 'adadi'.

او به نقد رویکرد عدد‌محور در علوم انسانی پرداخت.

He critiqued the number-centered approach in the humanities.

Suffix '-mehvar'.

این عدد در سیاق متن، معنایی فراتر از کمیت دارد.

In the context of the text, this number has a meaning beyond quantity.

Prepositional phrase 'dar siyagh-e matn'.

Colocações comuns

عدد صحیح

عدد اول

عدد مخلوط

عدد فرد

عدد زوج

عدد منفی

عدد مثبت

عدد اعشاری

عدد گویا

عدد شانس

Frases Comuns

به عدد ... رسیدن

عدد و رقم

اعداد و ارقام

یک عدد ...

چند عدد؟

عدد رند

عدد بزرگ

عدد کوچک

عدد ثابت

عدد متغیر

Frequentemente confundido com

عدد vs شماره (Shomareh)

عدد vs رقم (Raqam)

عدد vs تعداد (Ta'dad)

Expressões idiomáticas

"عدد و رقم آوردن"

"روی عدد خاصی کلید کردن"

"اعداد نجومی"

"عدد هفت مقدس"

"عدد چهل در عرفان"

"حساب و عدد"

"بی عدد و شمار"

"عدد ریختن"

"به عدد موهای سر"

"عدد ساختن"

Fácil de confundir

عدد vs شماره

Used for identification/sequences.

عدد vs رقم

Used for individual digits.

عدد vs تعداد

Used for the concept of quantity.

عدد vs مقدار

Used for uncountable amounts.

عدد vs آمار

Used for statistics.

Padrões de frases

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Como usar

math

Standard term for 'number'.

phone

Never use for phone numbers.

classifier

Used for discrete items.

Erros comuns

Using 'adad' for phone numbers.
Pluralizing the noun after 'adad'.
Using 'adad-ha' instead of 'adaad'.
Confusing 'adad' with 'meghdar' for uncountable items.
Writing Persian digits from right to left.

Dicas

Singular Nouns

Always keep the noun singular after a number. Say 'panj adad sib', not 'panj adad sib-ha'.

Adad vs. Raqam

Use 'adad' for the whole number and 'raqam' for the individual digits that make it up.

Phone Numbers

When asking for a phone number, always use 'shomareh', never 'adad'.

Left to Right

Remember that numbers in Persian script are written from left to right, opposite to the text.

Classifier Usage

Use 'adad' as a classifier in formal writing or when making an inventory list.

Prime Numbers

Learn 'adad-e avval' if you are interested in math; it's a very common term in schools.

Lucky Numbers

Ask Iranians about their 'adad-e shans' (lucky number) to start a friendly conversation.

Short Vowels

Keep both vowels in 'adad' short. Long vowels will change the meaning to the plural 'adaad'.

Context Clues

If you hear 'adad' in the news, it's likely followed by a statistic or an economic figure.

Mnemonic

Associate 'Adad' with 'Adding' numbers to remember its meaning easily.

Memorize

Origem da palavra

Arabic

Contexto cultural

A system where each letter has a numerical value.

The significance of the number seven (Haft-Sin).

The number 40 (Chehel) representing maturity or mourning.

Pratique na vida real

Contextos reais

Iniciadores de conversa

"عدد شانس تو چنده؟"

"بزرگترین عددی که می‌شناسی چیه؟"

"چند عدد از این کتاب داری؟"

"آیا اعداد رو به فارسی بلدی بنویسی؟"

"عدد مورد علاقه تو کدومه؟"

Temas para diário

درباره یک عدد که برایت مهم است بنویس.

چرا اعداد در زندگی ما مهم هستند؟

تفاوت عدد و کلمه چیست؟

یک خاطره درباره درس ریاضی و اعداد بنویس.

اگر اعداد وجود نداشتند، دنیا چطور بود؟

Perguntas frequentes

10 perguntas

Adad refers to the mathematical value or quantity (e.g., 5 apples). Shomareh refers to a number used as a label or in a sequence, like a phone number or a house number.

The plural of Adad is 'Adaad' (اعداد). This is a broken plural from Arabic. You should avoid saying 'adad-ha' in formal contexts.

No, you should use 'shomareh' for phone numbers. Saying 'adad-e telephon' sounds incorrect to native speakers.

No, for uncountable things like water or sugar, you should use 'meghdar' (amount). Adad is only for countable, discrete items.

It means 'Prime Number'. In mathematics, an 'adad-e avval' is a number greater than 1 that has no positive divisors other than 1 and itself.

Persian numbers are written from left to right, even though the text flows from right to left. The digits are: ۰, ۱, ۲, ۳, ۴, ۵, ۶, ۷, ۸, ۹.

Yes, 'adad' is more formal than 'ta' when used as a classifier. In everyday speech, people usually say 'ta' or 'duneh' instead of 'adad'.

It means 'a significant number' or 'a noteworthy amount'. It is often used in news and academic writing.

No, in Persian, the noun following any number (including 'adad' when used as a classifier) always remains in the singular form.

It is an ancient system where each letter of the alphabet is assigned a specific 'adad' (numerical value). It is used in poetry and traditional sciences.

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