Cardinal Number Rules (الأعداد الأصلية)

1. Gender Agreement

• 1 & 2 → match noun
• 3–10 → opposite gender

Examples

• ثَلَاثُ فَتَيَاتٍ — three girls
• ثَلَاثَةُ رِجَالٍ — three men

11–12

• اِحْدَى عَشْرَةَ
• اِثْنَا عَشَرَ

13–19

First element reversed, second matches.

100, 1000, 1,000,000

Always in construct state with following noun.