How to use the numbers twenty to ninety-nine in Arabic?
The tens numerals (20, 30, 40 … 90) are built with the masculine sound plural ending:
- -una for nominative
- -ina for genitive/accusative
They do not have gender distinction, the same form for masculine and feminine.
From 20–99, the counted noun is always singular accusative. Compound numbers (21–99) are formed by linking the units (1–9) with the tens using وَ.
Gender rules:
- Numbers 3–9 inside the compound still follow reverse gender agreement.
- Numbers 1 and 2 inside the compound agree directly in gender.
Let’s see some examples for the indefinite counted nouns:
For definite counted nouns, the numeral comes first and carries the definite article الـ, while the counted noun that follows remains in the indefinite singular accusative.
Let’s look at some examples:
