The Complete Guide to Eastern Arabic Numerals (الأرقام العربية المشرقية)
Arabic numerals are foundational to global mathematics, commerce, and communication. However, learners of the Arabic language quickly discover that the Arab world uses two primary numeral systems: Western Arabic Numerals (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) predominantly adopted across the Maghreb and global computing, and Eastern Arabic Numerals (٠, ١, ٢, ٣, ٤, ٥, ٦, ٧, ٨, ٩), known locally as al-Arqam al-Mashriqiyyah (الأرقام المشرقية) or Indo-Arabic numerals, which are omnipresent in Saudi Arabia, the United Arab Emirates, Egypt, Jordan, Iraq, and the wider Arabian Gulf.
1. The Reading Direction Rule: Left-to-Right in Place Value
One of the most fascinating aspects of Eastern Arabic numerals is their directionality. While Arabic sentences, words, and letters are written strictly from right to left, multi-digit numbers are written and read from left to right according to mathematical place value:
- Hundreds and Thousands: The highest place value sits on the far left, exactly as in Western numbers.
- Example: In the number ٢٠٢٦ (2026), the thousands digit (٢) is on the left, followed by zero (٠), tens (٢), and units (٦).
- Spoken vs. Written: When reading compound numbers from 21 to 99 out loud in spoken Arabic, native speakers pronounce the unit first, followed by the conjunction wa- (and), and finally the tens. For example, ٢٥ (25) is pronounced "khamsah wa-'ishrun" (خَمْسَة وَعِشْرُونَ — literally "five and twenty").
2. The 4 Classic Traps for Arabic Learners
Beginners frequently encounter visual traps when learning Eastern Arabic numerals. Recognizing these patterns instantly boosts test scores and reading comprehension:
Trap 1: Seven (٧) vs. Eight (٨)
٧ (7) opens upward toward Heaven (like a victory "V").
٨ (8) points downward toward Earth (resembling an "A" / roof).
Trap 2: Five (٥) vs. Zero (٠)
In Eastern Arabic, ٥ is FIVE, not zero!
The true zero is a single dot: ٠ (0). Thus, fifty is written as ٥٠.
Trap 3: Two (٢) vs. Three (٣)
٢ (2) has ONE horizontal groove / prong.
٣ (3) has TWO prongs / teeth on top (like a small pitchfork).
Trap 4: Four (٤) and Six (٦)
٤ (4) looks like a backward stylized European 3 (or an "E").
٦ (6) resembles a European "7" with a sharp right-angled top.
3. Forming Numbers 11 to 99 in Modern Standard Arabic
The structure of Arabic numbers follows a regular grammatical architecture:
- The Teens (11–19): Composed of the unit root plus 'ashar (عَشَرَ). Note that 11 is Ahada 'ashar (أَحَدَ عَشَرَ) and 12 is Ithna 'ashar (اِثْنَا عَشَرَ).
- The Tens Decades (20–90): Regular plurals ending in -un (ـُونَ) in the nominative case: 'Ishrun (20), Thalathun (30), Arba'un (40), Khamsun (50), Sittun (60), Sab'un (70), Thamanun (80), and Tis'un (90).
- One Hundred (100): Spelled Mi'ah (مِئَة or historically مائة).
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