Tarkib Adadi Jun 2026

From calculating change at a store to dividing snacks among friends, daily life requires decomposing and composing numbers. Tarkib adadi turns abstract digits into practical tools.

: The number 12 ( Ithna 'Ashara ) splits its behavior. The first part ( Ithna / Ithnay ) behaves like a dual noun and changes its case based on its syntactic position (using an Alif for nominative and a Ya for accusative/genitive). The second part ( 'Ashara ) remains fixed with a fathah . Arabic Form (Masculine Case) Grammatical State Properties 11 Ahada 'Ashara (أَحَدَ عَشَرَ) Both parts permanently indeclinable on fathah . 12 Ithna 'Ashara (إِثْنَا عَشَرَ) First part changes with case; second part fixed. 13 Thalāthata 'Ashara (ثَلَاثَةَ عَشَرَ) Both parts permanently indeclinable on fathah . 19 Tis'ata 'Ashara (تِسْعَةَ عَشَرَ) Both parts permanently indeclinable on fathah . Core Structural Rules: Adad and Ma'dud tarkib adadi